Bump uuid 1.19.0 -> 1.21.0

Summary:
Automated semver-compatible version bump.
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Reviewed By: dtolnay

Differential Revision: D94763332

fbshipit-source-id: b235512d6bce80e7af15a022b78564c2a35fe5bf

Author: generatedunixname2066905484085733

shed/fbthrift_ext/adapters/Cargo.toml

@@ -25,5 +25,5 @@ serde = { version = "1.0.219", features = ["derive", "rc"] }
 serde_derive = "1.0.185"
 thiserror = "2.0.18"
 url = "2.5.8"
-uuid = { version = "1.17", features = ["rng-getrandom", "serde", "v4", "v5", "v6", "v7", "v8"] }
+uuid = { version = "1.21.0", features = ["rng-getrandom", "serde", "v4", "v5", "v6", "v7", "v8"] }
 valuable = { version = "0.1.1", features = ["derive"] }