fix(vitest-plugin): ensure vitest peer dep is below v4

Author: adriencaccia

packages/vitest-plugin/package.json

@@ -33,7 +33,7 @@
   "peerDependencies": {
     "tinybench": ">=2.9.0",
     "vite": "^4.2.0 || ^5.0.0 || ^6.0.0 || ^7.0.0",
-    "vitest": ">=3.2"
+    "vitest": "^3.2"
   },
   "devDependencies": {
     "@total-typescript/shoehorn": "^0.1.1",