Split docs into build and deploy

.github/workflows/build-docs.yml

@@ -0,0 +1,29 @@
+name: Build Vitepress docs
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  # Build job
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - uses: pnpm/action-setup@v2
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          cache: pnpm
+          node-version: 18
+
+      - name: Install Packages
+        run: pnpm install --frozen-lockfile
+
+      - name: Run Build
+        run: pnpm --filter mermaid run docs:build:vitepress

.github/workflows/publish-docs.yml

@@ -5,10 +5,6 @@ on:
   push:
     branches:
       - master
-  pull_request:
-
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
 
 # Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
 permissions:
@@ -53,7 +49,6 @@ jobs:
 
   # Deployment job
   deploy:
-    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
     environment:
       name: github-pages
     runs-on: ubuntu-latest