infra: bump stylelint-formatter-pretty from 3.1.1 to 3.2.1 in /ui/webui

Bumps [stylelint-formatter-pretty](https://github.com/mrcgrtz/stylelint-formatter-pretty) from 3.1.1 to 3.2.1.
- [Release notes](https://github.com/mrcgrtz/stylelint-formatter-pretty/releases)
- [Commits](mrcgrtz/stylelint-formatter-pretty@v3.1.1...v3.2.1)

---
updated-dependencies:
- dependency-name: stylelint-formatter-pretty
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

ui/webui/package.json

@@ -40,7 +40,7 @@
     "stdio": "2.1.1",
     "stylelint": "14.9.1",
     "stylelint-config-standard-scss": "5.0.0",
-    "stylelint-formatter-pretty": "3.1.1"
+    "stylelint-formatter-pretty": "3.2.1"
   },
   "dependencies": {
     "@patternfly/patternfly": "5.1.0",