build(deps-dev): bump the stylelint group with 2 updates

Bumps the stylelint group with 2 updates: [stylelint](https://github.com/stylelint/stylelint) and [stylelint-formatter-pretty](https://github.com/mrcgrtz/stylelint-formatter-pretty).


Updates `stylelint` from 15.10.1 to 15.10.3
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](https://github.com/stylelint/stylelint/compare/15.10.1...15.10.3)

Updates `stylelint-formatter-pretty` from 3.2.0 to 3.2.1
- [Release notes](https://github.com/mrcgrtz/stylelint-formatter-pretty/releases)
- [Commits](https://github.com/mrcgrtz/stylelint-formatter-pretty/compare/v3.2.0...v3.2.1)

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

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

package.json

@@ -40,10 +40,10 @@
     "po2json": "1.0.0-alpha",
     "qunit": "2.19.4",
     "sass": "1.67.0",
-    "stylelint": "15.10.1",
+    "stylelint": "15.10.3",
     "stylelint-config-standard": "34.0.0",
     "stylelint-config-standard-scss": "11.0.0",
-    "stylelint-formatter-pretty": "3.2.0"
+    "stylelint-formatter-pretty": "3.2.1"
   },
   "dependencies": {
     "@patternfly/patternfly": "5.0.4",