☂️ Breaking Change Release for 2025

[Lyokone]

Here are the different PRs for the breaking change release of 2025:

• Update JS SDK to 12.0 feat!: bump JS SDK to version 12.0.0 #17548
• Update iOS SDK to 12.0 feat!: bump iOS SDK to version 12.0.0 #17549
• Update Android SDK to 34.0.0 feat!: bump Android SDK to version 34.0.0 #17554
• Delete Dynamic Links feat(dynamic-link)!: remove dynamic link from repository #17558
• Deprecate VertexAI package

Delete individual deprecated methods in each package

• feat(firestore)!: remove deprecated functions #17559
• feat(analytics)!: remove deprecated methods for breaking change release #17560
• feat(app-check)!: remove deprecated functions #17561
• feat(auth)!: remove deprecated functions #17562
• feat(messaging)!: remove deprecated functions #17563