Updated Broken Link for Apple Developer Enterprise Site

[lee-snyder133]

The link in the note under Inviting Testers by Email is broken: https://developer.apple.com/programs/ios/enterprise/

Description

Under this section: https://docs.saucelabs.com/testfairy/testers/managing-testers/#inviting-testers-by-email there is a footnote:
Only for iOS
If you are not using an [iOS Enterprise certificate](https://developer.apple.com/programs/ios/enterprise/), you will need to obtain the UDIDs (Unique Device Identifiers) of your testers' devices before sending them the app.

• Updated URL to correct site: https://developer.apple.com/programs/enterprise/

Motivation and Context

Navigates the user to the correct Apple Developer site

Types of Changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation fix (typos, incorrect content, missing content, etc.)

[github-actions]

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