improve govulncheck gh action (#468)

Author: rsoaresd

.github/workflows/govulncheck.yml

@@ -22,4 +22,5 @@ jobs:
       uses: golang/govulncheck-action@v1
       with:
         go-version-input: ${{ steps.install-go.outputs.go-version }}
-        go-package: ./...
+        go-package: ./...
+        repo-checkout: false