🌱 Bump actions/cache from 2.1.7 to 3

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.7 to 3.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@937d244...4b0cf6c)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/golangci.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
       - uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 #v2.4.0
         # https://github.com/mvdan/github-actions-golang#how-do-i-set-up-caching-between-builds
-      - uses: actions/cache@937d24475381cd9c75ae6db12cb4e79714b926ed #v2.1.7
+      - uses: actions/cache@4b0cf6cc4619e737324ddfcec08fff2413359514 #v2.1.7
         with:
           # In order:
           # * Module download cache

.github/workflows/tests.yaml

@@ -17,7 +17,7 @@ jobs:
     steps:
       - uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 #v2.4.0
         # https://github.com/mvdan/github-actions-golang#how-do-i-set-up-caching-between-builds
-      - uses: actions/cache@937d24475381cd9c75ae6db12cb4e79714b926ed #v2.1.7
+      - uses: actions/cache@4b0cf6cc4619e737324ddfcec08fff2413359514 #v2.1.7
         with:
           # In order:
           # * Module download cache
@@ -53,7 +53,7 @@ jobs:
     steps:
       - uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 #v2.4.0
         # https://github.com/mvdan/github-actions-golang#how-do-i-set-up-caching-between-builds
-      - uses: actions/cache@937d24475381cd9c75ae6db12cb4e79714b926ed #v2.1.7
+      - uses: actions/cache@4b0cf6cc4619e737324ddfcec08fff2413359514 #v2.1.7
         with:
           # In order:
           # * Module download cache