refactor: replace uuid dep with Node.js built-in `crypto.randomUUID…

[NanashiTheNameless]

…` (peter-evans#4377)

Replace the third-party uuid package with the native crypto.randomUUID() function available in Node.js, reducing the bundle size and external dependencies.

• Remove uuid from dependencies in package.json
• Replace import {v4 as uuidv4} from 'uuid' with import {randomUUID} from 'crypto' in src/create-or-update-branch.ts
• Replace all uuidv4() calls with randomUUID() in __test__/create-or-update-branch.int.test.ts
• Rebuild dist/index.js, removing ~680 lines of bundled uuid library code
• Update package-lock.json to reflect removed dependency

[Copilot]

Pull request overview

This PR removes the third-party uuid dependency and uses Node.js’ built-in crypto.randomUUID() for generating temporary branch names and test data, reducing bundled code and external dependencies for the GitHub Action.

Changes:

• Replace uuid usage with crypto.randomUUID() in the branch creation logic and integration tests.
• Remove uuid from package.json and update package-lock.json accordingly.
• Rebuild dist/index.js to eliminate bundled uuid code.

Reviewed changes

Copilot reviewed 3 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/create-or-update-branch.ts	Switches temporary branch name generation from uuidv4() to randomUUID().
__test__/create-or-update-branch.int.test.ts	Updates integration tests to use randomUUID() instead of uuidv4() for generated content/messages.
package.json	Removes uuid from runtime dependencies.
package-lock.json	Updates lockfile to reflect removal of uuid and associated dependency graph changes.
dist/index.js	Rebuilt bundle: replaces uuid require with crypto and removes bundled uuid implementation.

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