Bump postcss from 8.4.25 to 8.4.31 in /example

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.25 to 8.4.31.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.25...8.4.31)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: indirect
...

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

example/yarn.lock

@@ -6318,13 +6318,13 @@ __metadata:
 
 "karte-expo-plugin@file:../plugin::locator=example%40workspace%3A.":
  version: 0.1.0
- resolution: "karte-expo-plugin@file:../plugin#../plugin::hash=7b9064&locator=example%40workspace%3A."
+ resolution: "karte-expo-plugin@file:../plugin#../plugin::hash=c216ef&locator=example%40workspace%3A."
  peerDependencies:
  expo: ">=47.0.0"
  peerDependenciesMeta:
  expo:
  optional: true
- checksum: 8/2c9d550a9363eb166eecb13e53bc9d448fa5cbaa4faf80bcbb52a372ccbe8f6dec9ddff41fe203f26071076960d6f09f8801d646a9a84d57df1a8cc92416b8f3
+ checksum: 8/fc7b42cc17fd98823f9d6e7607df04bd382ffabdc220090ef723ebdf27166bb8585946b771c66a841d003eabc420ff6431dd05a129e40f3984cb9ee419b6755d
  languageName: node
  linkType: hard
 
@@ -7996,13 +7996,13 @@ __metadata:
  linkType: hard
 
 "postcss@npm:~8.4.21":
- version: 8.4.25
- resolution: "postcss@npm:8.4.25"
+ version: 8.4.31
+ resolution: "postcss@npm:8.4.31"
  dependencies:
  nanoid: ^3.3.6
  picocolors: ^1.0.0
  source-map-js: ^1.0.2
- checksum: 8/9ed3ab8af43ad5210c28f56f916fd9b8c9f94fbeaebbf645dcf579bc28bdd8056c2a7ecc934668d399b81fedb6128f0c4b299f931e50454964bc911c25a3a0a2
+ checksum: 8/1d8611341b073143ad90486fcdfeab49edd243377b1f51834dc4f6d028e82ce5190e4f11bb2633276864503654fb7cab28e67abdc0fbf9d1f88cad4a0ff0beea
  languageName: node
  linkType: hard