ci: use digests

Signed-off-by: knqyf263 <[email protected]>

Author: knqyf263

.github/workflows/cache-test-assets.yaml

@@ -90,7 +90,7 @@ jobs:
           cache: false
 
       - name: Run golangci-lint for caching
-        uses: golangci/[email protected]
+        uses: golangci/golangci-lint-action@4afd733a84b1f43292c63897423277bb7f4313a9 # v8.0.0
         with:
           version: v2.1
-          args: --verbose
+          args: --verbose

.github/workflows/test.yaml

@@ -38,7 +38,7 @@ jobs:
 
       - name: Lint
         id: lint
-        uses: golangci/[email protected]
+        uses: golangci/golangci-lint-action@4afd733a84b1f43292c63897423277bb7f4313a9 # v8.0.0
         with:
           version: v2.1
           args: --verbose