Disable integration tests that fail because of rdar://134406349

[d-ronnqvist]

Bug/issue #, if applicable:

Summary

This skips any integration test that fail because of rdar://134406349:

<unknown>:0: error: unknown argument: '-Xlinker'
<unknown>:0: error: unknown argument: '-rpath'
<unknown>:0: error: unknown argument: '-Xlinker'

See https://github.com/swiftlang/swift-docc-plugin/pull/88#issuecomment-2301554564

If we merge this—to unblock current PRs—we will open another PR that reverts this so that we can check when a fix is available in the CI.

Dependencies

None.

Testing

None. If the tests pass in the CI, then we know that this works.

Checklist

Make sure you check off the following items. If they cannot be completed, provide a reason.

• ~[ ] Added tests~
• [x] Ran the ./bin/test script and it succeeded
• ~[ ] Updated documentation if necessary~ Not applicable

[d-ronnqvist]

@swift-ci please test

[d-ronnqvist]

@swift-ci please test macOS

[d-ronnqvist]

@swift-ci please test macOS

[d-ronnqvist]

@swift-ci please test

[d-ronnqvist]

@swift-ci please test macOS

[d-ronnqvist]

@swift-ci please test macOS

[d-ronnqvist]

@swift-ci please test

[d-ronnqvist]

This may have already been fixed by https://github.com/swiftlang/swift-package-manager/pull/7903