chore(deps): update actions/cache action to v4 (#165)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -22,7 +22,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Mount Bazel cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/bazel
           key: bazel-${{ matrix.bazel-version }}-${{ github.sha }}

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Mount Bazel cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/bazel
           key: bazel-${{ env.USE_BAZEL_VERSION }}-${{ github.sha }}