chore(deps): update vitest monorepo to v3

Author: renovate[bot]

package.json

@@ -32,14 +32,14 @@
   "license": "ISC",
   "devDependencies": {
     "@dotenvx/dotenvx": "1.32.0",
-    "@vitest/coverage-istanbul": "2.1.8",
+    "@vitest/coverage-istanbul": "3.2.4",
     "msw": "^2.7.0",
     "probot": "^13.4.1",
     "semantic-release": "^20",
     "sinon": "19.0.2",
     "smee-client": "2.0.4",
     "typescript": "5.7.2",
-    "vitest": "2.1.8",
+    "vitest": "3.2.4",
     "wireit": "0.14.9"
   },
   "dependencies": {