chore: upgrade vitepress dependency to stable release and adjust configuration

[colinscz]

What kind of change does this PR introduce? (check at least one) Upgrading Vitepress to the first major release and fix import.meta.glob issue: https://github.com/vitejs/vite/discussions/7066

• [x] Bugfix
• [ ] Feature
• [ ] Code style update
• [ ] Refactor
• [x] Build-related changes
• [x] Other, please describe:
  • [ ] Styling changes, theme updates to CSS-Variables used (PENDING) ⚠️ 🏗️
  • [ ] https://github.com/vuejs/vitepress/blob/main/src/client/theme-default/styles/vars.css

The PR fulfills these requirements:

• [x] It's submitted to the main branch for v2.x (or to a previous version branch)
• [ ] When resolving a specific issue, it's referenced in the PR's title (e.g. fix #xxx[,#xxx], where "xxx" is the issue number)
• [ ] All tests are passing
• [ ] New/updated tests are included

Other information: