Bug 1744155 [wpt PR 31863] - Extend timeout for show-picker WPT, a=testonly

Bug 1744155 [wpt PR 31863] - Extend timeout for show-picker WPT, a=testonly

Automatic update from web-platform-tests
Extend timeout for show-picker WPT

This test loops over all input types and attempts to open the
picker for each, which can take time. Try extending the timeout
to give more time. We might still need to split this test up
into multiple separate tests.

I'm going to mark this bug fixed, and if it pops back up on
the flakiness dashboard, please assign the new bug to me and
I'll take a look at breaking it up.

Fixed: 1269048
Change-Id: Ib69cccf62ff858f845b768350858c153f472b7fc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3313633
Commit-Queue: Mason Freed <masonf@chromium.org>
Commit-Queue: Aleks Totic <atotic@chromium.org>
Auto-Submit: Mason Freed <masonf@chromium.org>
Reviewed-by: Aleks Totic <atotic@chromium.org>
Cr-Commit-Position: refs/heads/main@{#947744}

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wpt-commits: 434b18c33b6cdc3b297b129c94735272f180506f
wpt-pr: 31863