chore: sync constants version with lit-client

[Ansonhkg]

WHAT

• add scripts/sync-version.mjs to copy the @lit-protocol/lit-client version into packages/constants/src/lib/version.ts
• run the sync as part of bun run build

Testing

bun run sync-version

// post-bun/pnpm
pnpm run sync-version

[Copilot]

Pull Request Overview

This PR implements a version synchronization system to keep the constants package version in sync with the lit-client package. It adds a script that automatically copies the version from @lit-protocol/lit-client package.json into the constants version file and integrates it into the build process.

• Adds a Node.js script to synchronize version constants between packages
• Updates the build process to automatically run version synchronization
• Includes documentation comment explaining the synchronization mechanism

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
scripts/sync-version.mjs	New script that reads lit-client version and updates constants version file
packages/constants/src/lib/version.ts	Updated version value and added explanatory comment
package.json	Added sync-version script and integrated it into build command

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[Copilot]

The regex character class [^'\"]+ contains an unescaped double quote inside the brackets, which could cause parsing issues. The double quote should be escaped: [^'\\\"]+

Suggested change

	const VERSION_EXPORT_PATTERN = /export const version = ['"]([^'\"]+)['"];?/;
	const VERSION_EXPORT_PATTERN = /export const version = ['"]([^'\\"]+)['"];?/;