Add release automation

[ostatni5]

Description

Add a script called in the release automation workflow.

Example PR: https://github.com/fishjam-cloud/release-test-mobile-client-sdk/pull/3

Motivation and Context

Speed up the release.

[linear]

FCE-2339 Create PR with script to orginal repo - mobile-client-sdk

[Copilot]

Pull Request Overview

This PR adds release automation tooling to streamline the version bump process. Instead of manually updating version numbers across multiple files as documented in RELEASE.md, developers can now use the bump-version.sh script to automate this process. The script creates a release branch, updates the root and react-native-client package.json files (which automatically propagate to podspecs and gradle files), and outputs the branch name for further automation.

Key changes:

• Added bump-version.sh script that automates version updates for both root and react-native-client packages
• Added .tool-versions file specifying Node.js 24.4.1 for asdf version management

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

File	Description
release-automation/bump-version.sh	Automation script that creates a release branch and updates package versions using yarn workspace commands
.tool-versions	Specifies Node.js version for asdf version manager

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[MiloszFilimowski]

I agree with Copilot's comments. Otherwise looks good.