Second pass, all at once.

.github/workflows/fmt-lint-test.yml

@@ -2,55 +2,26 @@ name: Check the Program
 run-name: Check the formatting and code
 on: [push]
 jobs:
-  prep:
+  check:
     runs-on: ubuntu-24.04
     container:
       image: node:20
     steps:
     - uses: actions/checkout@v4
+    - name: Use Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20'
+        cache: 'yarn'
     - name: Install the App
       run: yarn install
       shell: bash
-    - uses: actions/upload-artifact@v3
-      with:
-        name: installed-app-${{ github.run_id }}
-        path: ${{ github.workspace }}/**/*
-  format:
-    runs-on: ubuntu-24.04
-    container:
-      image: node:20
-    needs: prep
-    steps:
-    - name: Get Installed App
-      uses: actions/download-artifact@v3
-      with:
-        name: installed-app-${{ github.run_id }}
     - name: Check the formatting
       run: yarn run prettier --check
       shell: bash
-  lint:
-    runs-on: ubuntu-24.04
-    container:
-      image: node:20
-    needs: prep
-    steps:
-    - name: Get Installed App
-      uses: actions/download-artifact@v3
-      with:
-        name: installed-app-${{ github.run_id }}
     - name: Lint the App
       run: yarn lint
       shell: bash
-  test:
-    runs-on: ubuntu-24.04
-    container:
-      image: node:20
-    needs: prep
-    steps:
-    - name: Get Installed App
-      uses: actions/download-artifact@v3
-      with:
-        name: installed-app-${{ github.run_id }}
     - name: Test the App
       run: yarn test
       shell: bash