update the astro to new version

[axyut]

• PR for this issue must follow the PR template
• This is a bug
• This is a feature request

run npm audit fix --force and then solve the errors

For Feature request

• Explain the working of new feature.
  • new version of astro is there, just update to new astro version
• How will implementing this help this repo?
  • staying relevant with the new update, when the old one is deprecated
• Relevant examples and resources
  • https://docs.astro.build/en/guides/upgrade-to/v5/
  • https://github.com/withastro/astro/blob/main/packages/integrations/mdx/CHANGELOG.md#430