chore(nx/ci): set up pnpm

.github/actions/build-server/action.yml

@@ -8,6 +8,7 @@ inputs:
 runs:
   using: composite
   steps:
+  - uses: pnpm/action-setup@v4
   - name: Set up node & dependencies
     uses: actions/setup-node@v4
     with:

.github/workflows/dev.yml

@@ -26,13 +26,14 @@ jobs:
       - name: Checkout the repository
         uses: actions/checkout@v4
 
+      - uses: pnpm/action-setup@v4
       - name: Set up node & dependencies
         uses: actions/setup-node@v4
         with:
           node-version: 22
-          cache: "npm"
-
-      - run: npm ci
+          cache: 'pnpm'
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
 
       - name: Run the build
         uses: ./.github/actions/build-electron
@@ -58,6 +59,7 @@ jobs:
       - name: Checkout the repository
         uses: actions/checkout@v4
 
+      - uses: pnpm/action-setup@v4
       - name: Set up node & dependencies
         uses: actions/setup-node@v4
         with:
@@ -89,6 +91,7 @@ jobs:
       - name: Checkout the repository
         uses: actions/checkout@v4
 
+      - uses: pnpm/action-setup@v4
       - name: Set up node & dependencies
         uses: actions/setup-node@v4
         with:

.github/workflows/main-docker.yml

@@ -42,6 +42,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
+      - uses: pnpm/action-setup@v4
       - name: Set up node & dependencies
         uses: actions/setup-node@v4
         with:

.github/workflows/nightly.yml

@@ -40,6 +40,7 @@ jobs:
     runs-on: ${{ matrix.os.image }}
     steps:
       - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
       - name: Set up node & dependencies
         uses: actions/setup-node@v4
         with:

.github/workflows/playwright.yml

@@ -10,6 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
+    - uses: pnpm/action-setup@v4
     - uses: actions/setup-node@v4
       with:
         node-version: lts/*

.github/workflows/release.yml

@@ -33,6 +33,7 @@ jobs:
     runs-on: ${{ matrix.os.image }}
     steps:
       - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
       - name: Set up node & dependencies
         uses: actions/setup-node@v4
         with: