chore(deps): update actions/cache action to v5

Author: renovate[bot]

.github/workflows/test.yaml

@@ -28,7 +28,7 @@ jobs:
           go-version: ${{ matrix.go-version }}
       - name: Checkout code
         uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           # In order:
           # * Module download cache