chore(ci): update gh-pages workflow to latest action versions

- Update actions/checkout from v2.3.1 to v4
- Update github-pages-deploy-action from 4.0.0 to v4
- Add permissions: contents: write for proper deployment access

Author: STRML

.github/workflows/gh-pages.yml

@@ -1,4 +1,6 @@
 name: Build and Deploy to GitHub Pages
+permissions:
+  contents: write
 on:
   push:
     tags:
@@ -8,15 +10,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout 🛎️
-        uses: actions/checkout@v2.3.1
+        uses: actions/checkout@v4
 
       - name: Install and Build
         run: |
           yarn
           yarn build-example
 
       - name: Deploy 🚀
-        uses: JamesIves/github-pages-deploy-action@4.0.0
+        uses: JamesIves/github-pages-deploy-action@v4
         with:
           branch: gh-pages # The branch the action should deploy to.
           folder: examples # The folder the action should deploy.