Sync master branch to 2.2.

[terabytesoftw]

Q	A
Is bugfix?	✔️
New feature?	❌
Breaks BC?	❌

[what-the-diff]

PR Summary

• Enhanced support for PHP 8.3:
  Added PHP 8.3 compatibility for different CI workflows involving MSSQL, MySQL, PGSQL, and SQLite. This ensures our code is up-to-date and continues to work seamlessly with the latest PHP version.

• Content additions and updates in the Japanese guide and various documents:
  Introduced new content in the Japanese guide on "コレクションのフィルタリング" (Filtering Collections), and added new content to the 'caching-data.md' and 'caching-fragment.md' documents. Additionally, several other documents have been updated to provide more up-to-date and accurate information.

• Bug Fixes:
  Resolved two bugs related to handling URLs in BaseUrl and serializing arrays of links in Link classes, leading to more robust URL handling and accurate serialization process.

• Translation Updates in yii.php:
  Updated several key translations within the yii.php file, these updates will help in delivering a better localized user experience for the Japanese audience.

• Code Refactoring in Several Files:
  Refactored several lines of code in files like Link.php, UrlManager.php, BaseDataProviderTest.php, and SchemaTest.php. These changes aim to improve the code quality making it more efficient and maintainable.

• Tests:
  Removed 'BooleanTest.php' and added new test cases - 'BaseUrlTest.php' and 'LinkTest.php', enhancing our test coverage which helps keep the codebase sturdy and reliable.