[CI] Bump actions/checkout from 4.2.0 to 4.2.1 (#1850)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@d632683...eef6144)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -243,7 +243,7 @@ jobs:
     name: Build & Test (${{ matrix.crate }} / ${{ matrix.toolchain }} / ${{ matrix.features }} / ${{ matrix.target }})
 
     steps:
-    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+    - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
     - name: Populate cache
       uses: ./.github/actions/cache
@@ -557,7 +557,7 @@ jobs:
     runs-on: ubuntu-latest        
     name: 'Run tests under Kani'
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: model-checking/kani-github-action@f838096619a707b0f6b2118cf435eaccfa33e51f # v1.1
         with:
           # Use `--features __internal_use_only_features_that_work_on_stable`
@@ -585,7 +585,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Build (zerocopy / nightly / --simd / aarch64_be-unknown-linux-gnu)
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Configure environment variables
         run: |
           set -eo pipefail
@@ -613,7 +613,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Check Rust formatting
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Check Rust formatting
         run: ./ci/check_fmt.sh
 
@@ -622,7 +622,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Check README.md
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - name: Populate cache
         uses: ./.github/actions/cache
@@ -635,7 +635,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Check crate versions match
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - name: Populate cache
         uses: ./.github/actions/cache
@@ -650,7 +650,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Generate cache
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - name: Populate cache
         uses: ./.github/actions/cache
@@ -698,7 +698,7 @@ jobs:
     steps:
       - name: Install yq (for YAML parsing)
         run: go install github.com/mikefarah/yq/v4@latest
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Run check
         run: ./ci/check_all_toolchains_tested.sh
 
@@ -708,7 +708,7 @@ jobs:
     steps:
       - name: Install yq (for YAML parsing)
         run: go install github.com/mikefarah/yq/v4@latest
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Run dependency check
         run: ./ci/check_job_dependencies.sh
 
@@ -718,7 +718,7 @@ jobs:
     steps:
       - name: Install yq (for YAML parsing)
         run: go install github.com/mikefarah/yq/v4@latest
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Run dependency check
         # Ensure that Git hooks execute successfully.
         #

.github/workflows/dependency-review.yml

@@ -30,6 +30,6 @@ jobs:
           egress-policy: audit
 
       - name: 'Checkout Repository'
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@5a2ce3f5b92ee19cbb1541a4984c76d921601d7c # v4.3.4

.github/workflows/docs.yml

@@ -27,7 +27,7 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Configure environment variables
         run: |
           set -eo pipefail

.github/workflows/release-crate-version.yml

@@ -26,7 +26,7 @@ jobs:
     name: Release new crate versions
     steps:
       - name: Checkout code
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           ref: ${{ github.event.inputs.branch }}
           persist-credentials: false

.github/workflows/roll-pinned-toolchain-versions.yml

@@ -39,7 +39,7 @@ jobs:
     name: Roll pinned toolchain ${{ matrix.toolchain }} version on ${{ matrix.branch }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           ref: ${{ matrix.branch }}
           persist-credentials: false
@@ -145,7 +145,7 @@ jobs:
     name: Roll pinned Kani version
     steps:
       - name: Checkout code
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           ref: ${{ matrix.branch }}
           persist-credentials: false

.github/workflows/scorecard.yml

@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           persist-credentials: false