Use Ubuntu 22.04 in pages build (#68)

Author: majk-p

.github/workflows/pages.yml

@@ -11,7 +11,7 @@ permissions:
 jobs:
   build:
     name: Run mdoc and build Docusaurus
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout working directory
         uses: actions/checkout@v4
@@ -60,7 +60,7 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Deploy to GitHub Pages
         id: deployment