feat(nextjs): Introduce stable createRouteMatcher

[nikosdouvlis]

Description

Small PR that improves the types and renames experimental_createRouteMatcher to createRouteMatcher
I've tested the types and the autocomplete works with NextJS apps that have

  experimental: {
    typedRoutes: true,
  },

in their next.config.ts file. Ref: https://nextjs.org/docs/app/api-reference/next-config-js/typedRoutes

Checklist

• npm test runs as expected.
• npm run build runs as expected.
• (If applicable) JSDoc comments have been added or updated for any package exports
• (If applicable) Documentation has been updated

Type of change

• 🐛 Bug fix
• 🌟 New feature
• 🔨 Breaking change
• 📖 Refactoring / dependency upgrade / documentation
• other:

Packages affected

• @clerk/backend
• @clerk/chrome-extension
• @clerk/clerk-js
• @clerk/clerk-expo
• @clerk/fastify
• gatsby-plugin-clerk
• @clerk/localizations
• @clerk/nextjs
• @clerk/clerk-react
• @clerk/remix
• @clerk/clerk-sdk-node
• @clerk/shared
• @clerk/themes
• @clerk/types
• build/tooling/chore

[changeset-bot]

🦋 Changeset detected

Latest commit: b980afb

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@clerk/nextjs	Patch
@clerk/elements	Patch

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