CI: Use setup-node pnpm cache in CI jobs; remove manual pnpm store cache in lint/site jobs

Author: ndbroadbent

.github/workflows/test.yml

@@ -25,24 +25,17 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 20
+          cache: pnpm
+          cache-dependency-path: |
+            pnpm-lock.yaml
+            site/pnpm-lock.yaml
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
           version: latest
 
-      - name: Get pnpm store directory
-        shell: bash
-        run: |
-          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
-
-      - name: Setup pnpm cache
-        uses: actions/cache@v4
-        with:
-          path: ${{ env.STORE_PATH }}
-          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
-          restore-keys: |
-            ${{ runner.os }}-pnpm-store-
+      # Using actions/setup-node pnpm cache; no manual pnpm store cache
 
       - name: Install npm packages
         run: |
@@ -106,24 +99,15 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 20
+          cache: pnpm
+          cache-dependency-path: site/pnpm-lock.yaml
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
           version: latest
 
-      - name: Get pnpm store directory
-        shell: bash
-        run: |
-          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
-
-      - name: Setup pnpm cache
-        uses: actions/cache@v4
-        with:
-          path: ${{ env.STORE_PATH }}
-          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
-          restore-keys: |
-            ${{ runner.os }}-pnpm-store-
+      # Using actions/setup-node pnpm cache; no manual pnpm store cache
 
       - name: Install site dependencies
         run: cd site && pnpm install --frozen-lockfile