chore(deps): bump actions/cache from 3 to 4 (#12)

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

.github/workflows/ci.yaml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: bazelbuild/setup-bazelisk@v2
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: "~/.cache/bazel"
           key: bazel