Bump actions/cache from 2 to 3 (#1640)

Bumps [actions/cache](https://github.com/actions/cache) from 2 to 3.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v2...v3)

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

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

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

.github/workflows/test.yml

@@ -47,7 +47,7 @@ jobs:
 
     - uses: actions/checkout@v2
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v3
       with:
         path: ~/go/pkg/mod
         key: ${{ runner.os }}-1.${{ matrix.go }}.x-${{ hashFiles('**/go.sum') }}
@@ -87,7 +87,7 @@ jobs:
 
     - uses: actions/checkout@v2
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v3
       with:
         path: ~/go/pkg/mod
         key: ${{ runner.os }}-${{ matrix.go }}-${{ hashFiles('**/go.sum') }}