[M130][gardener] move-by-word-visually-crash-test-5.html test slow on Mac14

The test
editing/selection/modify_move/move-by-word-visually-crash-test-5.html
is showing as slow on Mac14 debug platform, similar to other Mac
versions.  Seen on bot
https://ci.chromium.org/ui/p/chromium/builders/ci/mac14-tests-dbg.

(cherry picked from commit 0c542002)

Bug: 40318224
Change-Id: I25b37365c45a0250a6f85ca5e66fdaf8181f5381
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5886942


Commit-Queue: Alan Screen <awscreen@chromium.org>
Owners-Override: Alan Screen <awscreen@chromium.org>
Reviewed-by: Andrew Williams <awillia@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#1359586}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6005278


Reviewed-by: Haihan Chen <haihan@google.com>
Commit-Queue: Tommy Steimel <steimel@chromium.org>
Cr-Commit-Position: refs/branch-heads/6723@{#1902}
Cr-Branched-From: 985f2961-refs/heads/main@{#1356013}

third_party/blink/web_tests/SlowTests

@@ -28,6 +28,7 @@ crbug.com/24182 [ Mac13 ] editing/selection/caret-at-bidi-boundary.html [ Slow ]
 crbug.com/24182 [ Release Win10.20h2 ] editing/selection/caret-at-bidi-boundary.html [ Slow ]
 crbug.com/24182 [ Release Win11 ] editing/selection/caret-at-bidi-boundary.html [ Slow ]
 crbug.com/24182 [ Debug Mac13-arm64 ] editing/selection/modify_move/move-by-word-visually-crash-test-5.html [ Slow ]
+crbug.com/24182 [ Debug Mac14 ] editing/selection/modify_move/move-by-word-visually-crash-test-5.html [ Slow ]
 crbug.com/24182 [ Linux ] editing/selection/modify_move/move-by-word-visually-crash-test-5.html [ Slow ]
 crbug.com/24182 [ Mac11 Release ] editing/selection/modify_move/move-by-word-visually-crash-test-5.html [ Slow ]
 crbug.com/24182 [ Mac12 Release ] editing/selection/modify_move/move-by-word-visually-crash-test-5.html [ Slow ]