.github: Fix CI

Author: simnalamburt

.github/workflows/gh-pages.yml

@@ -3,29 +3,29 @@ name: github pages
 on:
     push:
         branches:
-            - master
+            - main
     pull_request:
     workflow_dispatch:
 
 jobs:
     deploy:
-        runs-on: ubuntu-20.04
-        concurrency:
-            group: ${{ github.workflow }}-${{ github.ref }}
+        runs-on: ubuntu-24.04
+        permissions:
+            packages: write
+            contents: read
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v4
 
             - name: Setup mdBook
-              uses: peaceiris/actions-mdbook@v1
+              uses: peaceiris/actions-mdbook@v2
               with:
-                  mdbook-version: "0.4.37"
-                  # mdbook-version: 'latest'
+                  mdbook-version: "0.4.47"
 
             - run: mdbook build
 
             - name: Deploy
-              uses: peaceiris/actions-gh-pages@v3
-              if: ${{ github.ref == 'refs/heads/master' }}
+              if: github.ref == 'refs/heads/main'
+              uses: peaceiris/actions-gh-pages@v4
               with:
                   github_token: ${{ secrets.GITHUB_TOKEN }}
                   publish_dir: ./book