Update create-gfdl-catalog.yml

`catalogbuilder.intakebuilder` not found in pipeline. b.c. the package isnt installed into the created environment. adding `pip install .` to check

.github/workflows/create-gfdl-catalog.yml

@@ -25,6 +25,7 @@ jobs:
     - name: Install dependencies
       run: |
         conda env create -f environment.yml --name catalogbuilder
+        pip install .
     - name: Make sample data
       run: python tests/make_sample_data.py
     - name: 'Generate catalog'