Try fixing

Author: ldionne

.github/workflows/libcxx-build-and-test.yaml

@@ -290,17 +290,17 @@ jobs:
     # needs: [ stage3 ] # TODO: Run this at the end of the pipeline once we're done testing the job
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-        with:
-          fetch-depth: 0 # This job requires access to all the Git branches so it can diff against (usually) main
-          fetch-tags: true
+        # with:
+        #   fetch-depth: 0 # This job requires access to all the Git branches so it can diff against (usually) main
+        #   fetch-tags: true
       - name: benchmarks
         # TODO: python3-virtualenv should be taken from the Docker image instead
+        # libcxx/utils/ci/run-buildbot benchmark-comparison
         run: |
-          sudo pip install virtualenv
+          python3 -m pip install virtualenv
           python3 -m venv .venv
           source .venv/bin/activate
           python -m pip install -r libcxx/utils/requirements.txt
-          libcxx/utils/ci/run-buildbot benchmark-comparison
         env:
           CC: clang-22
           CXX: clang++-22