Firebase CLI Tools 15.18.0 ډاونلوډ

- Updated Pub/Sub emulator to version 0.8.31
- Resolves undefined regions earlier, during the build to backend resolution phase (#10471)
- Updated the Firebase Data Connect local toolkit to v3.4.8, which includes the following changes:
- Fixed an issue in Dart code generation where nullable BigInt was not handled correctly.
- Added support for nested 1:Many relational batch inserts.
- Updated the Golang dependency version to 1.25.10.
- Default timeout for Dart functions is now 60 seconds when not explicitly set (#10501)
- Support secret environment variables for Cloud Run functions (#10489)
- Set requiredProjectBindings in AI Logic services (#10503)