[Gardening] [ iOS ] imported/w3c/web-platform-tests/navigation-api/navigation-methods/return-value/navigate-intercept-interrupted.html is a flaky crash.

https://bugs.webkit.org/show_bug.cgi?id=291451
rdar://149088315

Unreviewed test gardening.

Added a test expectation for a flakily crashing test.

* LayoutTests/platform/ios/TestExpectations:

Canonical link: https://commits.webkit.org/293593@main

Author: karimiy21

LayoutTests/platform/ios/TestExpectations

@@ -7844,3 +7844,5 @@ imported/w3c/web-platform-tests/trusted-types/ServiceWorkerContainer-register-fr
 imported/w3c/web-platform-tests/trusted-types/ServiceWorkerContainer-register-from-SharedWorker.https.html [ Pass Failure ]
 
 webkit.org/b/291436 http/tests/security/contentSecurityPolicy/extensions/manifest-v3/default-src/manifest-v3-default-src-block-wildcard.html [ Failure ]
+
+webkit.org/b/291451 imported/w3c/web-platform-tests/navigation-api/navigation-methods/return-value/navigate-intercept-interrupted.html [ Pass Crash ]