DEV TEMP adding caching to doc workflow

.github/workflows/docs_workflow.yml

@@ -20,6 +20,16 @@ jobs:
           persist-credentials: false
           fetch-depth: 0
 
+      - name: Cache Conda
+        uses: actions/cache@v4
+        env:
+          # Increase this value to reset cache if deploy/conda-dev-spec.template has not changed in the workflow
+          CACHE_NUMBER: 0
+        with:
+          path: ~/conda_pkgs_dir
+          key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{
+            hashFiles('spec-file.txt,deploy/*') }}
+
       - if: ${{ steps.skip_check.outputs.should_skip != 'true' }}
         name: Set up Conda Environment
         uses: conda-incubator/setup-miniconda@v3