Bump vitest in the production-dependencies group across 1 directory

Bumps the production-dependencies group with 1 update in the / directory: [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest).


Updates `vitest` from 2.1.8 to 3.0.3
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v3.0.3/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: production-dependencies
...

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

package.json

@@ -33,6 +33,6 @@
     "manual-git-changelog": "^1.0.2",
     "rdf-test-suite": "^2.0.0",
     "typescript": "^5.7.3",
-    "vitest": "^2.1.8"
+    "vitest": "^3.0.3"
   }
 }

packages/test-utils/package.json

@@ -41,7 +41,7 @@
   "dependencies": {
     "@traqula/core": "^0.0.0",
     "rdf-data-factory": "^2.0.1",
-    "vitest": "^2.1.8"
+    "vitest": "^3.0.3"
   },
   "devDependencies": {
     "@rdfjs/types": "^2.0.0"