chore(deps): update dependency ultracite to v6

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -88,7 +88,7 @@
     "make-coverage-badge": "^1.2.0",
     "ts-jest": "^29.3.4",
     "typescript": "^5.8.3",
-    "ultracite": "^5.0.29"
+    "ultracite": "^6.0.0"
   },
   "overrides": {
     "undici@<=6.21.2": "6.21.2",