chore(deps): update vitest monorepo to v4.0.15

Author: renovate[bot]

libs/angular-ecmascript-intl/package.json

@@ -33,13 +33,13 @@
     "@angular/common": "^21.0.1",
     "@angular/core": "^21.0.1",
     "@angular/platform-browser": "^21.0.1",
-    "@vitest/browser-playwright": "4.0.8",
-    "@vitest/coverage-v8": "4.0.8",
+    "@vitest/browser-playwright": "4.0.15",
+    "@vitest/coverage-v8": "4.0.15",
     "cpy-cli": "6.0.0",
     "dayjs": "1.11.19",
     "ng-packagr": "^21.0.0",
     "playwright": "1.56.1",
-    "vitest": "4.0.8"
+    "vitest": "4.0.15"
   },
   "sideEffects": false,
   "author": {