Update repositories.txt

[vpbharath]

update the name of my library

[github-actions]

❌ ERROR: Arduino Lint found errors with https://github.com/vpbharath/Robocontrol.git:

Linting library in Robocontrol
INFO: No header file found matching library name (RobotControl.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)                                                                                                      
ERROR: Library name RobotControl is in use by a library in the Library Manager index. Each library must have a unique   
       name value. If your library is already in the index, use the "--library-manager update" flag.                    
       See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format           
       (Rule LP017)                                                                                                     
WARNING: library.properties includes field item(s) RobotControl.h not found in library.                        
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format
         (Rule LP052)                                                                                          

Linter results for project: 1 ERRORS, 1 WARNINGS

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

Linting sketch in Robocontrol/examples/code

Linter results for project: no errors or warnings

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

Linter results for projects: 1 ERRORS, 1 WARNINGS

[github-actions]

Thanks for your interest in contributing to the Arduino Library Manager index @vpbharath
Please resolve the error(s) mentioned in the previous comment.

After resolving the issue, trigger this check again by doing one of the following:

• Commit the required change to the branch you submitted this pull request from.
• Comment here, mentioning @ArduinoBot in the comment.

❗ NOTE: It is not necessary to open a new pull request. ❗

More information:
https://github.com/arduino/library-registry/blob/main/README.md#if-the-problem-is-with-the-pull-request