[ci] Check macOS 15 for Xcode analyzer warnings

[jmagman]

Xcode 16 is available in CI as of https://github.com/flutter/packages/pull/8968. Check all packages for macOS 15 deprecations.

The last bump https://github.com/flutter/packages/pull/7544

Related https://github.com/flutter/plugins/pull/5778 and https://github.com/flutter/flutter/issues/102835

Pre-Review Checklist

• [x] I read the Contributor Guide and followed the process outlined there for submitting PRs.
• [x] I read the Tree Hygiene page, which explains my responsibilities.
• [x] I read and followed the relevant style guides and ran the auto-formatter.
• [x] I signed the CLA.
• [x] The title of the PR starts with the name of the package surrounded by square brackets, e.g. [shared_preferences]
• [x] I linked to at least one issue that this PR fixes in the description above.
• [x] I updated pubspec.yaml with an appropriate new version according to the pub versioning philosophy, or I have commented below to indicate which version change exemption this PR falls under[^1].
• [x] I updated CHANGELOG.md to add a description of the change, following repository CHANGELOG style, or I have commented below to indicate which CHANGELOG exemption this PR falls under[^1].
• [x] I updated/added any relevant documentation (doc comments with ///).
• [x] I added new tests to check the change I am making, or I have commented below to indicate which test exemption this PR falls under[^1].
• [x] All existing and new tests are passing.

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[^1]: Regular contributors who have demonstrated familiarity with the repository guidelines only need to comment if the PR is not auto-exempted by repo tooling.

[auto-submit[bot]]

autosubmit label was removed for flutter/packages/9427, because - The status or check suite Linux_android custom_package_tests stable has failed. Please fix the issues identified (or deflake) before re-applying this label.

[ash2moon]

Reason for revert: Looks like this is causing MacOS analyze tasks to fail: https://ci.chromium.org/ui/p/flutter/builders/prod/Mac_arm64%20macos_platform_tests%20stable%20-%20packages/3087/overview https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8710976140284515969/+/u/Run_package_tests/xcode_analyze_deprecation/stdout?format=raw