update links to some mathieucarbou repos

[mcendu]

cc @mathieucarbou

Two repositories maintained by mathieucarbou are moved to the organization ESP32Async, but the Library Registry is not updated. This commit updates the registry.

[github-actions]

Hi @mcendu.
Your pull request has been detected as something other than a Library Manager submission.
A maintainer will need to review it before it can be merged.

If you intended to submit a library, please check the instructions and update your pull request if necessary:
https://github.com/arduino/library-registry/blob/main/README.md#instructions

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/ESP32Async/AsyncTCP:

Linting library in AsyncTCP
INFO: No header file found matching library name (Async_TCP.h). Best practices are for primary header filename to match 
      library name.                                                                                                     
      See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format            
      (Rule LS008)                                                                                                      
WARNING: library.properties name Async TCP contains spaces. Although supported, best practices is to not use spaces.
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format     
         (Rule LP015)                                                                                               
WARNING: The library.properties paragraph field repeats the sentence field. These are displayed together so redundancy  
         is not needed.                                                                                                 
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format         
         (Rule LP036)                                                                                                   

Linter results for project: 0 ERRORS, 2 WARNINGS

-------------------

Linting sketch in AsyncTCP/examples/Client

Linter results for project: no errors or warnings

-------------------

Linter results for projects: 0 ERRORS, 2 WARNINGS

[github-actions]

Hi @mcendu.
There was an unexpected failure during automated processing of your pull request.
This error is unrelated to the content of your pull request.

A maintainer has been notified and will investigate as soon as possible.

[mcendu]

Duplicate of #5807 & #5808. Closing.