Fix build on Xcode 16, update GitHub Actions scripts

[sboh1214]

변경사항

• Fix iOS build issue on Xcode 16, macOS 15.1 Beta (24B5035e)
• Bump iOS minimum version to 13.0 (due to firebase)
• Update GitHub Actions deps versions
• Update Android deps versions
• Changed deprecated onPopInvoked to onPopInvokedWithResult

GitHub Actions 업데이트

• FLUTTER_VERSION: 3.22.3 > 3.24.0
• macos runner: 13 > 14
• XCODE_VERSION: 15.0 > 16 RC
• IOS_DEVICE: iPhone 14 Pro > 15 Pro
• ANDROID_API_LEVEL: 28 > 34

참고자료

Firebase iOS 빌드 이슈

firebase/flutterfire#12962

GitHub Actions Android Emulator 설정

https://github.com/ReactiveCircus/android-emulator-runner?tab=readme-ov-file#running-hardware-accelerated-emulators-on-linux-runners

Flutter 버전 업그레이드

❯ flutter analyze
Analyzing otl-app...                                                    

   info • 'onPopInvoked' is deprecated and shouldn't be used. Use onPopInvokedWithResult instead. This feature was deprecated after v3.22.0-12.0.pre • lib/widgets/lecture_search.dart:30:7 • deprecated_member_use

1 issue found. (ran in 2.4s)

Android Build Script 오류

https://stackoverflow.com/questions/69033022/message-error-resource-androidattr-lstar-not-found

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 31.13%. Comparing base (7c9b56d) to head (3be62c6).
Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/widgets/lecture_search.dart	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #198   +/-   ##
=======================================
  Coverage   31.12%   31.13%           
=======================================
  Files          80       80           
  Lines        4854     4847    -7     
=======================================
- Hits         1511     1509    -2     
+ Misses       3343     3338    -5     

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