Fixed benchmark workflow trying to push on wrong branch

Signed-off-by: Michele Bastione <[email protected]>

Author: michelebastione

.github/workflows/benchmark.yml

@@ -119,4 +119,4 @@ jobs:
           git config user.email [email protected]
           git add ./*.md
           git commit -am "Automated benchmark report - ${{ github.ref_name }}"
-          git push origin master --force-with-lease
+          git push origin v1.x-maintenance --force-with-lease