chore: update jazzy version to 0.15.1

[thisisabhash]

Issue #

Failing Release Docs step due to old jazzy version
https://github.com/aws-amplify/amplify-swift/actions/runs/10357530582/job/28670225432

Description

Jazzy (sourcekitten) doesn't support Xcode 15.3 / Swift 5.10 due to incompatible changes in SwiftPM.
Fix was released in Jazzy 0.15.0.
Related issue: realm/jazzy#1381

General Checklist

• Added new tests to cover change, if needed
• Build succeeds with all target using Swift Package Manager
• All unit tests pass
• All integration tests pass
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)
• Documentation update for the change if required
• PR title conforms to conventional commit style
• New or updated tests include Given When Then inline code documentation and are named accordingly testThing_condition_expectation()
• If breaking change, documentation/changelog update with migration instructions

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[5d]

Doesn't this change involve Gemfile.lock updates?

[github-actions]

API Breakage Report

✅ No Public API Breaking Change detected

[github-actions]

API Breakage Report

✅ No Public API Breaking Change detected

[lawmicha]

Testing in #3815, adding Ruby passed.