unity-xcode-builder@v1.4.0

[StephenHodgson]

• updated xcode version handling
• refactored action to be more robust and reliable

[Copilot]

Pull Request Overview

This PR updates the unity-xcode-builder to version 1.4.0 with improved Xcode version handling and enhanced robustness. The changes focus on better detection of Xcode installation types (Beta, RC, stable) and more reliable version selection logic.

• Enhanced Xcode version parsing to distinguish between Beta, Release Candidate, and stable versions
• Improved version selection logic with better error handling and detection of currently selected versions
• Updated dependency versions and workflow configurations

Reviewed Changes

Copilot reviewed 5 out of 8 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
src/xcode.ts	Major refactor of Xcode version detection and selection logic with improved parsing of Beta/RC versions
package.json	Version bump to 1.4.0 and updated @types/node dependency
.github/workflows/validate.yml	Minor reordering of workflow trigger configuration
.github/workflows/build.yml	Updated unity-action references from v1 to v2
.github/workflows/build-options.json	Removed specific Xcode version "16.4" from build options

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