Update major deps

[bluwy]

Changes

This PR updates the major dependencies in this repo so that Renovate won't bomb us with major deps upgrade PRs soon. The dependencies upgraded are currently listed in #10820. For future reference, I handled these:

• chore(deps): replace dependency npm-run-all with npm-run-all2 ^5.0.0
• chore(deps): update actions/labeler action to v5
• chore(deps): update dependency @types/markdown-it to v14
• chore(deps): update dependency chai to v5
• chore(deps): update dependency node to v20
• chore(deps): update dependency rehype-mathjax to v6
• chore(deps): update npm to v10
• chore(deps): update pnpm to v9
• fix(deps): update dependency lit to v3
• fix(deps): update dependency mime to v4 (mime, @types/mime)
• fix(deps): update dependency mrmime to v2
• fix(deps): update dependency ora to v8
• fix(deps): update dependency remark-smartypants to v3
• fix(deps): update dependency tar to v7

Some dependencies are migrated to the latest major, while others are simply ignored in renovate.json5)

---

NOTES:

1. I upgrade mrmime in @astrojs/partytown. The main difference is that JS mime type are text/javascript from application/javascript, which is more spec-accurate. Browsers should handle these like usual.
2. I migrated mime/lite.js to mrmime. There's no difference to the mime types list. Stackblitz proof

Testing

I ran all tests locally and they pass.

Docs

No significant changes from the user perspective, so no changesets.

[changeset-bot]

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Latest commit: a5e7f08

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[bluwy]

This file is unused.