depends on clippy@v0.4.2 (#51)

* depends on clippy@v0.4.2

Author: sbromberger

.github/workflows/pr.yml

@@ -16,9 +16,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          # python -m pip install pytest git+https://github.com/llnl/clippy@master
-          python -m pip install pytest git+https://github.com/llnl/clippy@sbromberger/stream-stderr
-
+          python -m pip install pytest git+https://github.com/llnl/clippy@v0.4.2
 
       - name: Install Boost
         uses: MarkusJx/install-boost@v2