Update token variable names in workflow file

Author: vineethkuttan

.github/workflows/cherry-pick-commit.yml

@@ -26,15 +26,15 @@ jobs:
   cherry-pick:
     runs-on: ubuntu-latest
 
-    # Prefer UPDATE_PAT if present; else fall back to GITHUB_TOKEN
+    # Prefer UPDATE_PROJECT_V2_PAT  if present; else fall back to GITHUB_TOKEN
     env:
-      GH_TOKEN_EFFECTIVE: ${{ secrets.UPDATE_PAT || secrets.GITHUB_TOKEN }}
+      GH_TOKEN_EFFECTIVE: ${{ secrets.UPDATE_PROJECT_V2_PAT  || secrets.GITHUB_TOKEN }}
 
     steps:
       - name: Ensure token exists
         run: |
           if [ -z "${GH_TOKEN_EFFECTIVE}" ]; then
-            echo "::error::No UPDATE_PAT or GITHUB_TOKEN available. Add UPDATE_PAT (PAT with repo scope) to Secrets, or enable Read & Write and 'Allow Actions to create PRs' for GITHUB_TOKEN."
+            echo "::error::No UPDATE_PROJECT_V2_PAT  or GITHUB_TOKEN available. Add UPDATE_PROJECT_V2_PAT  (PAT with repo scope) to Secrets, or enable Read & Write and 'Allow Actions to create PRs' for GITHUB_TOKEN."
             exit 1
           fi
 
@@ -156,6 +156,6 @@ jobs:
               --head "${BRANCH_NAME}"; then
             echo "✅ Successfully created PR for cherry-pick of ${COMMIT_ID} to ${TARGET_BRANCH}"
           else
-            echo "::error::PR creation failed. If using GITHUB_TOKEN, ensure 'Allow GitHub Actions to create and approve pull requests' is enabled at Org/Repo (or supply UPDATE_PAT)."
+            echo "::error::PR creation failed. If using GITHUB_TOKEN, ensure 'Allow GitHub Actions to create and approve pull requests' is enabled at Org/Repo (or supply UPDATE_PROJECT_V2_PAT )."
             exit 1
           fi