Update version to 2.5.0 and add unit tests

[sboh1214]

Description

• bump version to 2.5.0
• change flutter version to 3.24.3 on pubspec.yaml
• update webview_flutter 3.0.4 > 4.10.0
• upgrade pubspec dependencies
• disable android test github actions

Unit test

• Add unit test for pages and widgets

[codecov]

Codecov Report

Attention: Patch coverage is 42.85714% with 16 lines in your changes missing coverage. Please review.

Project coverage is 39.00%. Comparing base (55c372f) to head (63d7513).
Report is 9 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/pages/login_page.dart	0.00%	16 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #206      +/-   ##
==========================================
+ Coverage   31.03%   39.00%   +7.96%     
==========================================
  Files          80       80              
  Lines        4865     4879      +14     
==========================================
+ Hits         1510     1903     +393     
+ Misses       3355     2976     -379     

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