[tvOS] Update provisioning profiles dir to Xcode 16+

[fayev-g]

Old dir was for Xcode 15-

Bug: 495549526

[github-actions]

🤖 Gemini Suggested Commit Message

---

tvos: Update provisioning profiles directory

Update the provisioning profiles directory path to match the
new location used by Xcode 16 and later. The previous directory
structure was applicable for Xcode 15 and earlier versions.

Bug: 495549526

---

💡 Pro Tips for a Better Commit Message:

1. Influence the Result: Want to change the output? You can write custom prompts or instructions directly in the Pull Request description. The model uses that text to generate the message.
2. Re-run the Generator: Post a comment with: /generate-commit-message

[gemini-code-assist]

Code Review

This pull request updates the provisioning profiles directory in the Mac build script to the path required by Xcode 16. Feedback was provided regarding potential backward compatibility issues with Xcode 15 and earlier versions, suggesting a conditional check based on the Xcode version and the use of a local variable to avoid path duplication.