Bump actions/cache from 2.1.7 to 3.0.8 (#279)

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.7 to 3.0.8.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/937d24475381cd9c75ae6db12cb4e79714b926ed...fd5de65bc895cf536527842281bea11763fefd77)

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

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

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

.github/workflows/unit_tests.yaml

@@ -10,7 +10,7 @@ jobs:
       uses: actions/setup-go@bfdd3570ce990073878bf10f6b2d79082de49492
       with:
         go-version: 1.19
-    - uses: actions/cache@937d24475381cd9c75ae6db12cb4e79714b926ed
+    - uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77
       with:
         path: |
           ~/go/pkg/mod