install openfe so we can get the version metadata

Author: mikemhenry

.github/workflows/openfe-doc-build.yaml

@@ -43,5 +43,8 @@ jobs:
 
       - name: Build the docs
         run: |
+          cd openfe
+          # install so that we can get a version metadata we use in docs
+          pip install . --no-deps
           cd openfe/docs
           make html