Update publish github action (#69)

According to the `tech-docs-github-pages-publisher` documentation.

.github/workflows/publish.yml

@@ -5,49 +5,51 @@ on:
   push:
     branches:
       - "main"
-    paths-ignore:
-      - "docs/**"
 
-# GITHUB_TOKEN permissions to allow deployment to GitHub Pages
-permissions:
-  contents: read
-  pages: write
-  id-token: write
+permissions: {}
 
 # Allow one concurrent deployment
 concurrency:
-  group: "pages"
+  group: github-pages
   cancel-in-progress: true
 
 jobs:
   build:
     runs-on: ubuntu-latest
     container:
       image: ministryofjustice/tech-docs-github-pages-publisher:v4.0.0
+    permissions:
+      contents: read
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
     - name: Compile Markdown to HTML and create artifact
       run: /usr/local/bin/package
     - name: Upload artifact to be published
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
       with:
         name: github-pages
         path: artifact.tar
         retention-days: 1
+        overwrite: true
 
   deploy:
     needs: build
+    runs-on: ubuntu-latest
     environment:
       name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-    runs-on: ubuntu-latest
+      url: ${{ steps.configure_pages.outputs.base_url }}
+    permissions:
+      contents: read
+      id-token: write
+      pages: write
     steps:
-    - name: Setup Pages
-      uses: actions/configure-pages@v2
+    - name: Configure Pages
+      id: configure_pages
+      uses: actions/configure-pages@1f0c5cde4bc74cd7e1254d0cb4de8d49e9068c7d # v4.0.0
     - name: Deploy to GitHub Pages
-      id: deployment
-      uses: actions/deploy-pages@v1
+      id: deploy_pages
+      uses: actions/deploy-pages@decdde0ac072f6dcbe43649d82d9c635fff5b4e4 # v4.0.4
 
 # NOTE: there are just too many, so disabling this job for now.
 #