Republish web weekly

Updates sponsors, and the latest version download links in case it was
forgotten at release time.

.github/workflows/page-main.yml

@@ -6,6 +6,8 @@ on:
  - main
  - publish-*
  workflow_dispatch:
+ schedule: # Run every Monday morning
+ - cron: '20 6 * * 1'
 
 permissions:
  contents: read
@@ -19,7 +21,7 @@ concurrency:
 jobs:
  deploy:
  name: Deploy to GitHub Pages
- runs-on: ubuntu-20.04
+ runs-on: ubuntu-latest
  environment: github-pages
  steps:
  - uses: actions/checkout@v3