chore(deps): bump @adobe/css-tools in /examples/example-app-v14 (#2160)

Bumps [@adobe/css-tools](https://github.com/adobe/css-tools) from 4.0.1 to 4.3.1.
- [Changelog](https://github.com/adobe/css-tools/blob/main/History.md)
- [Commits](https://github.com/adobe/css-tools/commits)

---
updated-dependencies:
- dependency-name: "@adobe/css-tools"
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

examples/example-app-v14/yarn.lock

@@ -6,9 +6,9 @@ __metadata:
   cacheKey: 8
 
 "@adobe/css-tools@npm:^4.0.1":
-  version: 4.0.1
-  resolution: "@adobe/css-tools@npm:4.0.1"
-  checksum: 80226e2229024c21da9ffa6b5cd4a34b931f071e06f45aba4777ade071d7a6c94605cf73b13718b0c4b34e8b124c65c607b82eaa53a326d3eb73d9682a04a593
+  version: 4.3.1
+  resolution: "@adobe/css-tools@npm:4.3.1"
+  checksum: ad43456379ff391132aff687ece190cb23ea69395e23c9b96690eeabe2468da89a4aaf266e4f8b6eaab53db3d1064107ce0f63c3a974e864f4a04affc768da3f
   languageName: node
   linkType: hard