chore(deps-dev): Bump vitest from 2.1.9 to 3.2.6

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 2.1.9 to 3.2.6.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Changelog](https://github.com/vitest-dev/vitest/blob/main/docs/releases.md)
- [Commits](https://github.com/vitest-dev/vitest/commits/v3.2.6/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 3.2.6
  dependency-type: direct:development
...

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

Author: dependabot[bot]

apps/cli/package.json

@@ -20,6 +20,6 @@
   "devDependencies": {
     "@types/node": "^22.10.2",
     "typescript": "^5.7.2",
-    "vitest": "^2.1.8"
+    "vitest": "^3.2.6"
   }
 }

packages/core/package.json

@@ -28,6 +28,6 @@
   "devDependencies": {
     "@types/mdast": "^4.0.4",
     "typescript": "^5.7.2",
-    "vitest": "^2.1.8"
+    "vitest": "^3.2.6"
   }
 }

packages/plugin-sample/package.json

@@ -24,6 +24,6 @@
   "devDependencies": {
     "@types/mdast": "^4.0.4",
     "typescript": "^5.7.2",
-    "vitest": "^2.1.8"
+    "vitest": "^3.2.6"
   }
 }