feat: upgrade all packages min SDK to Dart 3.5

[kevmoo]

Move to workspaces

[gemini-code-assist]

Summary of Changes

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This pull request significantly updates the project's dependency management and Dart SDK compatibility. It transitions the entire repository to utilize Dart Workspaces, centralizing package resolution and simplifying local development. Concurrently, it elevates the minimum required Dart SDK to 3.5, enabling the adoption of newer language features and ensuring compatibility with the latest Dart ecosystem standards.

Highlights

• Dart SDK Upgrade: The minimum Dart SDK version has been upgraded to 3.5.0 across all packages and examples within the repository, leveraging new language features.
• Dart Workspaces Adoption: The project has been migrated to use Dart Workspaces for improved dependency management. This involves adding resolution: workspace to individual pubspec.yaml files and defining the workspace structure in the root pubspec.yaml.
• Melos Configuration Update: The melos.yaml configuration has been streamlined by removing the bootstrap section, and the melos dependency in the root pubspec.yaml has been updated to ^6.3.0.
• Code Modernization: Dart 3.5 language features have been adopted, specifically removing redundant null assertion operators (!) and updating switch statements to use pattern matching syntax (_) where applicable.
• Dependency Overrides Removal: The pubspec_overrides.yaml file in packages/firebase_ui_localizations/example has been removed, as its functionality is now handled by Dart Workspaces.

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[gemini-code-assist]

Code Review

This pull request updates the project's dependency management and Dart SDK compatibility. It upgrades the Dart SDK requirement to ^3.5.0 across all packages and examples, and adopts the new resolution: workspace feature in pubspec.yaml files, along with defining the monorepo structure in the root pubspec.yaml. This change replaces the previous melos_managed_dependency_overrides mechanism. Additionally, it updates the melos dependency version and includes minor null-safety and Dart 3.0 pattern matching syntax improvements in some Dart files. There is no feedback to provide.

[kevmoo]

/gemini review

[gemini-code-assist]

Code Review

This pull request primarily migrates the project's Melos configuration from a dedicated melos.yaml file to the root pubspec.yaml using the new workspace feature. It updates the Dart SDK constraint across all packages and examples to ^3.5.0 and introduces resolution: workspace in their pubspec.yaml files. Additionally, it includes minor null-safety adjustments in several Dart files (removing null assertion operators and refactoring a switch statement to if-else), adds // ignore: deprecated_member_use comments for deprecated Flutter properties, and updates the FirebaseFirestore pod version in the iOS and macOS Podfiles. There is no feedback to provide from the review comments.