feat: test docs build on pull requests

Signed-off-by: John Molakvoæ <skjnldsv@protonmail.com>

.github/workflows/doc-publish.yml

@@ -1,32 +1,33 @@
-name: Doc Publish
+name: Documentation
 
 on:
+  pull_request:
   release:
     types: [published]
 
 jobs:
-  publish:
+  build-and-deploy:
     runs-on: ubuntu-latest
 
-    name: Publish doc
+    name: Build and deploy
     steps:
       - name: Check actor permission level
-        uses: skjnldsv/check-actor-permission@v2
+        uses: skjnldsv/check-actor-permission@e591dbfe838300c007028e1219ca82cc26e8d7c5 # v2
         with:
           require: admin
 
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3
 
       - name: Read package.json node and npm engines version
-        uses: skjnldsv/read-package-engines-version-actions@v1.2
+        uses: skjnldsv/read-package-engines-version-actions@0ce2ed60f6df073a62a77c0a4958dd0fc68e32e7 # v2.1
         id: versions
         with:
           fallbackNode: '^16'
           fallbackNpm: '^8'
 
       - name: Set up node ${{ steps.versions.outputs.nodeVersion }}
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@8c91899e586c5b171469028077307d293428b516 # v3
         with:
           node-version: ${{ steps.versions.outputs.nodeVersion }}
 
@@ -36,11 +37,13 @@ jobs:
       - name: Install dependencies & build
         run: |
           npm ci
-          npm run build
-          npm run build:doc
+          npm run build --if-present
+          npm run build:doc --if-present
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        # Only deploy on release
+        if: github.event.release
+        uses: peaceiris/actions-gh-pages@373f7f263a76c20808c831209c920827a82a2847 # v3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./dist/doc