Bug 1922858 [wpt PR 48483] - Group WPT canvas layer clip tests togeth…

…er in the YAML file, a=testonly

Automatic update from web-platform-tests
Group WPT canvas layer clip tests together in the YAML file

The tests 2d.layer.clip-inside and 2d.layer.clip-inside-and-outside
got separated from 2d.layer.clip-outside by a previous CL. This CL
groups them together. The code is unchanged.

Bug: 40249439
Change-Id: I369ddf194e2fadb2d2ee658ae86ffb5ddc0c9648
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5910129
Reviewed-by: Andres Ricardo Perez <andresrperezchromium.org>
Commit-Queue: Jean-Philippe Gravel <jpgravelchromium.org>
Cr-Commit-Position: refs/heads/main{#1364480}

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wpt-commits: 2bbd336087b0cb506fe76125cb96bfd032805f71
wpt-pr: 48483

UltraBlame original commit: b3453d13c632915644d1ad42b7a412056dec1e32