Update repositories.txt

[ftservo]

Add FEETECH BUS Servo library for Arduino and ESP32

[github-actions]

A problem was found with your submission https://github.com/ftservo/FTServo_Arduino

❌ ERROR: The repository has no tags. You need to create a release or tag that matches the version value in the library's library.properties file.

[github-actions]

Thanks for your interest in contributing to the Arduino Library Manager index @ftservo
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

[per1234]

@ArduinoBot please check it again.

[github-actions]

Hello! I'm checking your submission again.

[github-actions]

A problem was found with your submission https://github.com/ftservo/FTServo_Arduino

❌ ERROR: Submission URL is already in the Library Manager index.

[github-actions]

Thanks for your interest in contributing to the Arduino Library Manager index @per1234
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

[per1234]

Closing as duplicate of #5472