Update ICU dependency to updated build

[yaakovschectman]

Updates the commit of ICU pulled from Chromium as a dependency. The new update includes a separate flutter_desktop build that includes collation data we can use for a11y purposes. This PR does not yet change the icudlt file used by desktop builds, it only updates the commit of ICU used. I intend to the above in a follow-up commit once we can be sure this can roll out.

Part of flutter/flutter#117013

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[loic-sharma]

@yaakovschectman Looks like you'll need to update licenses for checks to pass.

[cbracken]

lgtm. The patch command in the output likely won’t work as-is on Windows, but you can hand-edit the file to fix, and I suspect git apply would work.

If so, feel free to send a patch to emit an updated command that works on all platforms.

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Changes reported for pull request #40676 at sha e6fc224