chore(deps): update golangci/golangci-lint-action action to v8

Author: renovate[bot]

.github/workflows/codetests.yml

@@ -47,7 +47,7 @@ jobs:
           go-version: stable
       - uses: actions/checkout@v4
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v8
         with:
           version: v1.64
   # Runs golangci-lint on linux against linux and windows.
@@ -65,6 +65,6 @@ jobs:
           go-version: stable
       - uses: actions/checkout@v4
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v8
         with:
           version: v1.64