feat: automate release versioning and commit preparation

[MusicMaster4]

Summary

• Refactored the release workflow to automatically prepare and commit the version.
• Added a new script scripts/prepare-release-version.js to handle version preparation.
• Updated the release workflow to use the new version preparation script.
• Modified AGENTS.md and BUILDING.md to reflect the new versioning process.
• Added new test scripts for feedback audio and release version.

Test plan

• Verify that the release workflow automatically prepares and commits the version.
• Check that the new version follows the x.x.xxx format.
• Ensure that the release workflow builds Windows and macOS for the correct commit.
• Confirm that the GitHub release is created with the correct tag and version.
• Test the new feedback audio scripts to ensure they function correctly.

[greptile-apps]

MusicMaster4 has reached the 50-credit limit for trial accounts. To continue receiving code reviews, upgrade your plan.