fix: use cloud-java-bot username in new library generated PRs and commits (#10266)

* fix: make cloud-java-bot the author of new library PR and commits

* use cloud java bot token when adding remote

Author: diegomarquezp

.github/workflows/generate_new_client.yaml

@@ -114,8 +114,8 @@ jobs:
       - name: Push to branch and create PR
         run: |
           set -x
-          [ -z "`git config user.email`" ] && git config --global user.email "${USERNAME:-script}@google.com"
-          [ -z "`git config user.name`" ] && git config --global user.name "${USERNAME:-script}"
+          [ -z "`git config user.email`" ] && git config --global user.email "cloud-java-bot@google.com"
+          [ -z "`git config user.name`" ] && git config --global user.name "cloud-java-bot"
 
           # create and push to branch in origin
           # random_id allows multiple runs of this workflow
@@ -125,7 +125,7 @@ jobs:
           git add --all
           commit_message="feat: [${API_SHORTNAME}] new module for ${API_SHORTNAME}"
           git commit -m "${commit_message}"
-          git remote add monorepo https://${{ github.actor }}:${{ github.token }}@github.com/${{ github.repository }}.git
+          git remote add monorepo https://cloud-java-bot:${GH_TOKEN}@github.com/${{ github.repository }}.git
           git fetch -q --unshallow monorepo
           git push -f monorepo "${branch_name}"