Always run conda cache step

Author: forsyth2

.github/workflows/build_workflow.yml

@@ -10,6 +10,29 @@ on:
   workflow_dispatch:
 
 jobs:
+  update-conda:
+    if: ${{ github.event_name != 'push' }}
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash -l {0}
+    timeout-minutes: 5
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          persist-credentials: false
+          fetch-depth: 0
+
+      - name: Cache Conda
+        uses: actions/cache@v4
+        env:
+          # Increase this value to reset cache if conda-env/docs.yml has not changed in the workflow
+          CACHE_NUMBER: 0
+        with:
+          path: ~/conda_pkgs_dir
+          key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{
+            hashFiles('conda-env/docs.yml') }}
+  
   publish-docs:
     if: ${{ github.event_name == 'push' }}
     runs-on: ubuntu-latest