chore(deps): bump vitest from 3.2.4 to 4.0.18

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 3.2.4 to 4.0.18.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.18/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 4.0.18
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

components/slider/package.json

@@ -39,7 +39,7 @@
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "typescript": "^5.8.3",
-    "vitest": "^3.1.2"
+    "vitest": "^4.0.18"
   },
   "peerDependencies": {
     "@fluentui/react-components": "^9.72.7",

components/stepper/package.json

@@ -37,7 +37,7 @@
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "typescript": "^5.8.3",
-    "vitest": "^3.1.2"
+    "vitest": "^4.0.18"
   },
   "peerDependencies": {
     "@fluentui/react-components": "^9.72.7",

components/topbar/package.json

@@ -42,7 +42,7 @@
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "typescript": "^5.8.3",
-    "vitest": "^3.1.2"
+    "vitest": "^4.0.18"
   },
   "peerDependencies": {
     "@axiscommunications/fluent-theme": ">=9.0.0",

illustrations/package.json

@@ -45,7 +45,7 @@
     "react": "^19.2.0",
     "svgo": "1.3.2",
     "typescript": "^5.8.3",
-    "vitest": "^3.1.2",
+    "vitest": "^4.0.18",
     "yargs": "17.7.2"
   },
   "peerDependencies": {