Bump flatted from 3.2.4 to 3.4.2 in /tfjs-backend-webgpu

Bumps [flatted](https://github.com/WebReflection/flatted) from 3.2.4 to 3.4.2.
- [Commits](WebReflection/flatted@v3.2.4...v3.4.2)

---
updated-dependencies:
- dependency-name: flatted
  dependency-version: 3.4.2
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

tfjs-backend-webgpu/yarn.lock

@@ -1716,9 +1716,9 @@ finalhandler@1.1.2:
     unpipe "~1.0.0"
 
 flatted@^3.2.4:
-  version "3.2.4"
-  resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.2.4.tgz#28d9969ea90661b5134259f312ab6aa7929ac5e2"
-  integrity sha512-8/sOawo8tJ4QOBX8YlQBMxL8+RLZfxMQOif9o0KUKTNTjMYElWPE0r/m5VNFxTRd0NSw8qSy8dajrwX4RYI1Hw==
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.4.2.tgz#f5c23c107f0f37de8dbdf24f13722b3b98d52726"
+  integrity sha512-PjDse7RzhcPkIJwy5t7KPWQSZ9cAbzQXcafsetQoD7sOJRQlGikNbx7yZp2OotDnJyrDcbyRq3Ttb18iYOqkxA==
 
 follow-redirects@^1.0.0:
   version "1.14.8"