Fix python prerequisites for coverage

.github/workflows/coverage.yml

@@ -21,6 +21,14 @@ jobs:
     - name: Install Prerequisites
       run: bin/install_prerequisites_ubuntu.sh
 
+    - name: Install Python 3.11
+      uses: actions/[email protected]
+      with:
+        python-version: '3.11'
+
+    - name: Coverage prerequisites
+      run: python3 -m pip install --requirement bin/requirements-frozen.txt
+
     - name: Install Rust
       run: bin/install_rust.sh