Update golangci/golangci-lint-action action to v8

Author: renovate[bot]

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v8
 
   test:
     strategy: