golangci-lint should only look for problems in new code

Signed-off-by: Davanum Srinivas <[email protected]>

Author: dims

.github/workflows/ci.yml

@@ -33,6 +33,7 @@ jobs:
       - uses: ./.github/actions/install-go
       - uses: golangci/golangci-lint-action@v4
         with:
+          only-new-issues: true
           version: v1.56.1
           skip-cache: true
           args: --timeout=8m