Update uuid in group main to the latest version � (#827)

Summary:
## The dependency [uuid](https://github.com/uuidjs/uuid) was updated from `3.4.0` to `7.0.0`.
This version is **not covered** by your **current version range**.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

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**Publisher:** [ctavan](https://www.npmjs.com/~ctavan)
**License:** MIT

[Find out more about this release](https://github.com/uuidjs/uuid).

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Your [Greenkeeper](https://greenkeeper.io) bot 🌴
Pull Request resolved: https://github.com/facebook/flipper/pull/827

Reviewed By: jknoxville

Differential Revision: D20067749

Pulled By: passy

fbshipit-source-id: 045c94cc1c28f0854680340f56bb35b854a37c51

yarn.lock

@@ -9495,6 +9495,11 @@ uuid@^3.3.2:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.3.tgz#4568f0216e78760ee1dbf3a4d2cf53e224112866"
   integrity sha512-pW0No1RGHgzlpHJO1nsVrHKpOEIxkGg1xB+v0ZmdNH5OAeAwzAVrCnI2/6Mtx+Uys6iaylxa+D3g4j63IKKjSQ==
 
+uuid@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-7.0.0.tgz#1833d4b9ce50b732bfaa271f9cb74e974d303c79"
+  integrity sha512-LNUrNsXdI/fUsypJbWM8Jt4DgQdFAZh41p9C7WE9Cn+CULOEkoG2lgQyH68v3wnIy5K3fN4jdSt270K6IFA3MQ==
+
 v8-compile-cache@^2.0.3:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz#e14de37b31a6d194f5690d67efc4e7f6fc6ab30e"