Update all dependencies (#56)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/deploy.yml

@@ -12,12 +12,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Git repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
       - name: Setup Pages
         id: pages
-        uses: actions/configure-pages@v3
+        uses: actions/configure-pages@v4
       - name: Setup makedeb APT repositories
         uses: makedeb/setup-makedeb@main
         with:
@@ -28,8 +28,8 @@ jobs:
       - name: Build site
         run: hugo --minify --baseURL "${{ steps.pages.outputs.base_url }}/"
       - name: Upload site artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v3
         with:
           path: ./public
       - name: Deploy site
-        uses: actions/deploy-pages@v1
+        uses: actions/deploy-pages@v4

themes/makedeb/layouts/partials/head.html

@@ -13,7 +13,7 @@
 	<link rel="stylesheet" href="{{ $style.Permalink }}">
 
 	<!-- Syntax highlighting in code blocks -->
-        <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.6.0/highlight.min.js"></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
         <script>hljs.highlightAll();</script>
 		<script src="/js/codeblock-copy.js"></script>
 		<script src="/js/toggle-menu.js"></script>