ci: Fix versions of all external Github actions (no-changelog) (#6984)

.github/workflows/test-workflows.yml

@@ -13,21 +13,21 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v3.5.3
         with:
           path: n8n
 
       - name: Checkout workflows repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v3.5.3
         with:
           repository: n8n-io/test-workflows
           path: test-workflows
 
-      - uses: pnpm/action-setup@v2.2.4
+      - uses: pnpm/action-setup@v2.4.0
         with:
-          version: 8.6.1
+          version: 8.6.12
 
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v3.7.0
         with:
           node-version: 18.x
           cache: 'pnpm'
@@ -44,7 +44,7 @@ jobs:
       - name: pnpm install and build
         working-directory: n8n
         run: |
-          pnpm install
+          pnpm install --frozen-lockfile
           pnpm  --filter @n8n/client-oauth2 --filter n8n-workflow --filter n8n-core --filter n8n-nodes-base --filter n8n build
         shell: bash