ci: fix workflow syntax

.github/workflows/_gitops-merge-to-main.yml

@@ -23,13 +23,6 @@ on:
       - auto-prod-*
 
 jobs:
-  env:
-    # DRY Git Ops Branches
-    MAIN_BR: ${{ vars.GIT_MAIN_BRANCH || 'main' }}
-    RELEASE_BR: ${{ vars.GIT_RELEASE_BRANCH || 'release' }}
-    # Other important Git Branches
-    TEST_BR: ${{ vars.GIT_TEST_BRANCH || 'test' }}
-
   # The cicd-test Suite references the test branch
   # So, we push it to have the same state as, before the RC Tag Push
   # which tag triggers CI Tests
@@ -40,21 +33,21 @@ jobs:
       - name: Checkout 'test' branch
         uses: actions/checkout@v4
         with:
-          ref: ${{ env.TEST_BR }}
+          ref: ${{ vars.GIT_TEST_BRANCH || 'test' }}
           fetch-depth: 0
           token: ${{ secrets.GA_WORKFLOWS_CI_PR_RW_AND_ACTIONS_RW }}
 
       # Merge 'release' into 'test' branch
       - name: Merge 'release' into 'test' branch
         run: |
-          git merge --no-edit ${{ env.RELEASE_BR }}
-          git push origin ${{ env.TEST_BR }}
+          git merge --no-edit ${{ vars.GIT_RELEASE_BRANCH || 'release' }}
+          git push origin ${{ vars.GIT_TEST_BRANCH || 'test' }}
 
   auto_merge_pr_to_main:
     uses: ./.github/workflows/go-auto-merge-main.yml
     with:
-      main_branch: ${{ env.MAIN_BR }}
-      release_branch: ${{ env.RELEASE_BR }}
+      main_branch: ${{ vars.GIT_MAIN_BRANCH || 'main' }}
+      release_branch: ${{ vars.GIT_RELEASE_BRANCH || 'release' }}
       commit_message: 'Automated Workflows'
     secrets:
       pat_token: ${{ secrets.GA_WORKFLOWS_CI_PR_RW_AND_ACTIONS_RW }}