chore(deps)!: update actions/cache (v4 → v5)

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

.github/workflows/ci.yaml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@v4
 
       - name: Setup Go
         uses: actions/setup-go@v5
@@ -20,7 +20,7 @@ jobs:
           go-version-file: "go.mod"
 
       - name: Cache Go build
-        uses: actions/cache@v4
+        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5
         with:
           path: |
             ~/.cache/go-build

.github/workflows/release.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@v4
         with:
           fetch-tags: true
           fetch-depth: 0