Add git add --intent-to-add --all to detect untracked files

Author: qdm12

.github/workflows/ci.yml

@@ -89,6 +89,7 @@ jobs:
         run: |
           grep -lr -E '^// Code generated by MockGen\. DO NOT EDIT\.$' . | xargs -r rm
           go generate -run "go.uber.org/mock/mockgen" ./...
+          git add --intent-to-add --all
           git diff --exit-code
       - run: ./scripts/build.sh evm
         shell: bash