Update CI

.github/workflows/ci.yaml

@@ -55,7 +55,7 @@ jobs:
           go-version: ${{ matrix.go_version }}
 
       - name: Cache dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v5
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -85,7 +85,7 @@ jobs:
           go-version: ^1.25
 
       - name: Cache fuzz results
-        uses: actions/cache@v2
+        uses: actions/cache@v5
         with:
           path: ~/.cache/go-build/fuzz
           key: ${{ runner.os }}-go-${{ hashFiles('**/*_fuzz_test.go', '**/*_fuzz_internal_test.go') }}
@@ -145,7 +145,7 @@ jobs:
         uses: docker/setup-buildx-action@v1
 
       - name: Setup cache
-        uses: actions/cache@v2
+        uses: actions/cache@v5
         with:
           path: /tmp/buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}