build(deps): bump actions/cache from 3.0.6 to 3.0.8

Bumps [actions/cache](https://github.com/actions/cache) from 3.0.6 to 3.0.8.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3.0.6...v3.0.8)

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

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

.github/workflows/test.yml

@@ -57,7 +57,7 @@ jobs:
         check-latest: true
         cache: true
 
-    - uses: actions/cache@v3.0.6
+    - uses: actions/cache@v3.0.8
       with:
         path: |
           ~/go/pkg/mod              # Module download cache
@@ -105,7 +105,7 @@ jobs:
         check-latest: true
         cache: true
 
-    - uses: actions/cache@v3.0.6
+    - uses: actions/cache@v3.0.8
       with:
         path: |
           ~/go/pkg/mod              # Module download cache