Release v3.1.56

Full Changelog: v3.1.42...v3.1.56

Release v3.1.42

Full Changelog: v3.1.35...v3.1.42

Release v3.1.35

Format code (#6994)

Release v3.1.27

Added composer.json normalize support (#6887)

Release v3.1.20

Added `onClose` method for rpc Server (#6709)

Release v3.1.18

Added error handling when using `callback` in multiplexed RPC.



Co-authored-by: 李铭昕 <715557344@qq.com>

Release v3.1.15

Format code by the latest `cs-fixer`. (#6617)

Release v3.1.8

Added `HostReaderInterface` for `rpc-multiplex`. (#6504)

Release v3.1.7

Fixed bug that inconsistent parsing response in `Rpc-Multiplex` clien…

Release v3.1.0

Changed the `branch-alias` of all components to `3.1-dev`. (#6320)