fix indentation

Author: pepeiborra

.github/workflows/bench.yml

@@ -12,8 +12,8 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-      # Cancel queued workflows from earlier commits in this branch
-      - uses: fkirc/skip-duplicate-actions@master
+    # Cancel queued workflows from earlier commits in this branch
+    - uses: fkirc/skip-duplicate-actions@master
 
     - uses: actions/checkout@v2
     - run: git fetch origin master # check the master branch for benchmarking