chore: add pnpm cache on e2e job

Author: vincentchalamon

.github/workflows/ci.yml

@@ -140,6 +140,14 @@ jobs:
         uses: pnpm/action-setup@v2
         with:
           version: 8.6.2
+      -
+        name: Cache PNPM
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.PNPM_HOME }}
+          key: ${{ runner.os }}-pnpm-${{ github.run_id }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-
       -
         name: Install Dependencies
         working-directory: pwa