ci: bump actions/cache from 2 to 3.0.1

Bumps [actions/cache](https://github.com/actions/cache) from 2 to 3.0.1.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2...v3.0.1)

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

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

.changelog/311.internal.md

@@ -0,0 +1 @@
+ci: bump actions/cache from 2 to 3.0.1

.github/workflows/ci-tests.yaml

@@ -28,7 +28,7 @@ jobs:
         with:
           go-version: "1.17.x"
       - name: Cache Go dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v3.0.1
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}