Bump prettier from 3.1.1 to 3.2.1 in /wgpu-testbed-webapp

Bumps [prettier](https://github.com/prettier/prettier) from 3.1.1 to 3.2.1.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.1.1...3.2.1)

---
updated-dependencies:
- dependency-name: prettier
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

wgpu-testbed-webapp/package.json

@@ -13,7 +13,7 @@
   },
   "devDependencies": {
     "copy-webpack-plugin": "^12.0.1",
-    "prettier": "^3.1.1",
+    "prettier": "^3.2.1",
     "webpack": "^5.89.0",
     "webpack-cli": "^5.1.4",
     "webpack-dev-server": "^4.15.1"

wgpu-testbed-webapp/yarn.lock

@@ -1577,10 +1577,10 @@ pkg-dir@^4.2.0:
   dependencies:
     find-up "^4.0.0"
 
-prettier@^3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.1.1.tgz#6ba9f23165d690b6cbdaa88cb0807278f7019848"
-  integrity sha512-22UbSzg8luF4UuZtzgiUOfcGM8s4tjBv6dJRT7j275NXsy2jb4aJa4NNveul5x4eqlF1wuhuR2RElK71RvmVaw==
+prettier@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.2.1.tgz#babf33580e16c796a9740b9fae551624f7bfeaab"
+  integrity sha512-qSUWshj1IobVbKc226Gw2pync27t0Kf0EdufZa9j7uBSJay1CC+B3K5lAAZoqgX3ASiKuWsk6OmzKRetXNObWg==
 
 process-nextick-args@~2.0.0:
   version "2.0.1"