chore(deps): update dependency vitest to v4 (#949)

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

Author: renovate[bot]

package.json

@@ -49,7 +49,7 @@
 		"type-fest": "^5.0.0",
 		"typescript": "5.9.3",
 		"typescript-eslint": "^8.26.1",
-		"vitest": "^3.0.0"
+		"vitest": "^4.0.0"
 	},
 	"repository": "git+https://github.com/dev-protocol/template-repos-ts.git",
 	"bugs": {