Use shiny's ci-install-deps target to build faster

Author: schloerke

.github/workflows/shiny.yaml

@@ -6,47 +6,34 @@ on:
   pull_request:
 
 jobs:
-  shiny:
+  htmltools-pr:
     runs-on: ubuntu-latest
     defaults:
       run:
         shell: bash
 
     steps:
-      - name: Set up Python 3.12
-        uses: actions/setup-python@v5
+      - uses: actions/checkout@v4
+        with:
+          repository: posit-dev/py-shiny
+          fetch-depth: 0 # Required for shiny version
+      - name: Setup py-shiny@main
+        id: install
+        uses: posit-dev/py-shiny/.github/py-shiny/setup
         with:
           python-version: "3.12"
 
       - uses: actions/checkout@v4
         with:
           path: htmltools
-      - uses: actions/checkout@v4
-        with:
-          repository: posit-dev/py-shiny
-          path: shiny
-          fetch-depth: 0 # Required for shiny version
-
-      - name: Install py-shiny@main
-        run: |
-          python -m pip install --upgrade pip
-          cd shiny
-          pip install -e ".[dev,test]"
-
-      - name: Check py-shiny@main w/ PyPi Htmltools (This should pass)
-        continue-on-error: true
-        run: |
-          cd shiny
-          make test check
 
       - name: Install dev py-htmltools htmltools dependencies
         run: |
           cd htmltools
-          python -m pip install --upgrade pip
           pip install -e ".[dev,test]"
           make install
 
       - name: Check py-shiny@main w/ dev py-htmltools
         run: |
-          cd shiny
+          # Run test before check, so that linting is performed last
           make test check