use explicit save and restore actions

.github/workflows/ci-pull-requests.yml

@@ -27,13 +27,9 @@ jobs:
         run: pnpm build
 
       - name: Cache build artifacts
-        uses: actions/[email protected]
+        uses: actions/cache/save@v3.3.1
         with:
-          path: |
-            /github/home/.cache
-            /github/home/.pnpm-store
-            ./node_modules
-            ./packages
+          path: ./packages/**/dist
           key: ${{ github.sha }}-base:18-test-lint
 
   unit-test:
@@ -46,16 +42,6 @@ jobs:
           repository: n8n-io/n8n
           ref: ${{ inputs.branch }}
 
-      - name: Restore cached build artifacts
-        uses: actions/[email protected]
-        with:
-          path: |
-            /github/home/.cache
-            /github/home/.pnpm-store
-            ./node_modules
-            ./packages
-          key: ${{ github.sha }}-base:18-test-lint
-
       - uses: pnpm/[email protected]
 
       - name: Use Node.js 18
@@ -64,6 +50,15 @@ jobs:
           node-version: 18.x
           cache: pnpm
 
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Restore cached build artifacts
+        uses: actions/cache/[email protected]
+        with:
+          path: ./packages/**/dist
+          key: ${{ github.sha }}-base:18-test-lint
+
       - name: Test
         run: pnpm test
 
@@ -82,16 +77,6 @@ jobs:
           repository: n8n-io/n8n
           ref: ${{ inputs.branch }}
 
-      - name: Restore cached build artifacts
-        uses: actions/[email protected]
-        with:
-          path: |
-            /github/home/.cache
-            /github/home/.pnpm-store
-            ./node_modules
-            ./packages
-          key: ${{ github.sha }}-base:18-test-lint
-
       - uses: pnpm/[email protected]
 
       - name: Use Node.js 18
@@ -100,6 +85,9 @@ jobs:
           node-version: 18.x
           cache: pnpm
 
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
       - name: Fetch base branch for `git diff`
         run: git fetch origin ${{ github.event.pull_request.base.ref }}:${{ github.event.pull_request.base.ref }}