Update license-header.yml

Author: borislavr

.github/workflows/license-header.yml

@@ -27,14 +27,15 @@ jobs:
           git config pull.rebase false
           git pull origin main
           git push --set-upstream origin ${branch_name}
+          echo "BRANCH_NAME=${branch_name}" >> $GITHUB_ENV
+
       - name: Add license headers
         run: addlicense -c "Qubership" -l apache ./src
       - name: Commit changes
         run: |
           git add .
           git commit -m "chore: add license headers to source files" || true
-          git push origin ${branch_name}
-          echo "BRANCH_NAME=${branch_name}" >> $GITHUB_ENV
+          git push origin ${{ env.BRANCH_NAME }}
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v7.0.8
         with: