Fix package naem

Author: ldionne

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

@@ -294,9 +294,9 @@ jobs:
           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-venv should be taken from the Docker image instead
+        # TODO: python3-virtualenv should be taken from the Docker image instead
         run: |
-          sudo apt-get install -y python3-venv
+          sudo apt-get install -y python3-virtualenv
           python3 -m venv .venv
           source .venv/bin/activate
           python -m pip install -r libcxx/utils/requirements.txt

libcxx/utils/ci/Dockerfile

@@ -100,7 +100,7 @@ RUN sudo apt-get update \
         python3-packaging \
         python3-setuptools \
         python3-psutil \
-        python3-venv \
+        python3-virtualenv \
         software-properties-common \
         swig \
         unzip \