Auto merge of #28840 - servo:dependabot/cargo/unicode-segmentation-1.9.0, r=jdm

Bump unicode-segmentation from 1.7.1 to 1.9.0

Bumps [unicode-segmentation](https://github.com/unicode-rs/unicode-segmentation) from 1.7.1 to 1.9.0.
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Cargo.lock

@@ -6979,9 +6979,9 @@ checksum = "58dd944fd05f2f0b5c674917aea8a4df6af84f2d8de3fe8d988b95d28fb8fb09"
 
 [[package]]
 name = "unicode-segmentation"
-version = "1.7.1"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796"
+checksum = "7e8820f5d777f6224dc4be3632222971ac30164d4a258d595640799554ebfd99"
 
 [[package]]
 name = "unicode-width"