Arturo Grau

chore: upgrade rxdart to 0.28.0

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### :sparkles: What kind of change does this PR introduce? (Bug fix, feature, docs update...) Upgrades `rxdart` to 0.28.0 to allow apps that are depending on that version to compile....

Patrol fails to build with Xcode 16.4 and iOS 18.5 - PBXFileSystemSynchronizedRootGroup incompatibility

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### Steps to reproduce 1. Have a Flutter project with Xcode 16.4 installed 2. Project must have iOS widget extensions (WidgetKit) which causes Xcode 16 to use the new `PBXFileSystemSynchronizedRootGroup`...