feat(ci): improve cache usage

.github/workflows/check-generated-files.yml

@@ -158,19 +158,13 @@ jobs:
     steps:
       - uses: actions/checkout@v7
 
-      - name: Cache pnpm modules
-        uses: actions/cache@v6
-        with:
-          path: ~/.pnpm-store
-          key: ${{ runner.os }}-${{ hashFiles('**/pnpm-lock.yaml') }}
-          restore-keys: |
-            ${{ runner.os }}-
       - uses: actions/setup-node@v7
         with:
           node-version: 'lts/*'
       - uses: pnpm/action-setup@v6
         with:
           run_install: true
+          cache: true # the pnpm store, keyed by OS and lockfile hash and shared by every workflow
 
       - name: build api
         working-directory: plugins/${{ matrix.package }}