Upgrade flutter SDK

.metadata

android/.gitignore

android/app/build.gradle

android/app/build.gradle.kts

android/app/src/main/AndroidManifest.xml

android/app/src/main/kotlin/com/ontime/app/MainActivity.kt

android/build.gradle

android/build.gradle.kts

android/gradle.properties

android/gradle/wrapper/gradle-wrapper.properties

android/settings.gradle

android/settings.gradle.kts

linux/runner/CMakeLists.txt

linux/runner/main.cc

linux/runner/my_application.cc

linux/runner/my_application.h

pubspec.lock

pubspec.yaml

web/index.html