Bump actions/checkout from 2.3.4 to 2.3.5 (canonical#2660)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.4 to 2.3.5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.3.4...v2.3.5)

---
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/build-installer.yml

@@ -16,7 +16,7 @@ jobs:
         working-directory: ${{ github.workspace }}/installer/windows
     steps:
       - name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.3.5
       - name: Set up Python 3.8
         uses: actions/setup-python@v2.2.2
         with:

.github/workflows/build-snap.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checking out repo
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.3.5
       - name: Install lxd
         run: |
           sudo lxd init --auto

.github/workflows/check-formatting.yml

@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.3.5
 
       - name: Install dependencies
         run: |

.github/workflows/test-kubeflow.yaml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checking out repo
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.3.5
 
       - name: Install lxd
         run: |
@@ -43,7 +43,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Check out code
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.3.5
 
       - name: Download built snap
         uses: actions/download-artifact@v2
@@ -132,7 +132,7 @@ jobs:
         bundle: [full, lite]
     steps:
       - name: Check out code
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.3.5
 
       - name: Download built snap
         uses: actions/download-artifact@v2