DO NOT MERGE

Author: ksagiyam

.github/workflows/build.yml

@@ -95,6 +95,7 @@ jobs:
             --no-binary h5py \
             --extra-index-url https://download.pytorch.org/whl/cpu \
             './firedrake-repo[ci]'
+          pip install -I git+https://github.com/firedrakeproject/ufl.git@ksagiyam/add_dag_visitor
           firedrake-clean
           pip list