ci: bump golangci-lint, golangci-lint-action

Signed-off-by: Kir Kolyshkin <[email protected]>

Author: kolyshkin

.github/workflows/validate.yml

@@ -30,9 +30,9 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: "${{ env.GO_VERSION }}"
-      - uses: golangci/golangci-lint-action@v7
+      - uses: golangci/golangci-lint-action@v8
         with:
-          version: v2.0
+          version: v2.1
       # Extra linters, only checking new code from a pull request.
       - name: lint-extra
         if: github.event_name == 'pull_request'