Pin Vitest to avoid type error

See vitest-dev/vitest#8081 and
vitest-dev/vitest#8082

Author: ezzatron

package.json

@@ -82,7 +82,7 @@
     "@stryker-mutator/vitest-runner": "^9.0.1",
     "@types/mdast": "^4.0.4",
     "@types/node": "^22.15.30",
-    "@vitest/coverage-v8": "^3.2.2",
+    "@vitest/coverage-v8": "^3.1.4 <3.2.0",
     "@vitest/eslint-plugin": "^1.2.1",
     "eslint": "^9.28.0",
     "eslint-config-prettier": "^10.1.5",
@@ -97,6 +97,6 @@
     "typescript": "^5.8.3",
     "typescript-eslint": "^8.33.1",
     "vite-tsconfig-paths": "^5.1.4",
-    "vitest": "^3.2.2"
+    "vitest": "^3.1.4 <3.2.0"
   }
 }