Update gen_vc.yml

Author: medvednikov

.github/workflows/gen_vc.yml

@@ -15,14 +15,14 @@ jobs:
     - name: Regenerate v.c and v_win.c
       run: |
         git config http.sslVerify false
-        git config --global user.email "github-actions[bot]@users.noreply.github.com"
-        git config --global user.name "github-actions[bot]"
+        git config --global user.email "vlang-bot@users.noreply.github.com"
+        git config --global user.name "vlang-bot"
 
         COMMIT_HASH=$(git rev-parse --short HEAD)
         COMMIT_MSG=$(git log -1 --oneline --pretty='%s' HEAD)
 
         rm -rf vc
-        git clone https://${GITHUB_ACTOR}:${{ secrets.GITHUB_TOKEN }}@github.com/vlang/vc.git
+        git clone https://${GITHUB_ACTOR}:${{ secrets.VLANG_BOT_SECRET }}@github.com/vlang/vc.git
 
         rm -rf vc/v.c vc/v_win.c