Version fix

Author: chrisrichardson

.github/workflows/ccpp.yml

@@ -39,9 +39,9 @@ jobs:
 
       - name: Install FEniCS Python components
         run: |
-          python3 -m pip install git+https://github.com/FEniCS/ufl.git
-          python3 -m pip install git+https://github.com/FEniCS/basix.git
-          python3 -m pip install git+https://github.com/FEniCS/ffcx.git
+          python3 -m pip install git+https://github.com/FEniCS/ufl.git@2022.1.0
+          python3 -m pip install git+https://github.com/FEniCS/basix.git@version-0.4.0
+          python3 -m pip install git+https://github.com/FEniCS/ffcx.git@version-0.4.0
       - name: Flake8 checks
         run: |
           cd python/