Update repositories.txt

[gilesp1729]

No description provided.

[github-actions]

Arduino Lint has suggestions for possible improvements to https://github.com/gilesp1729/GU_Elements:

Linting library in GU_Elements
WARNING: library.properties depends field item(s) GestureDetector, FontCollection not found in the Library Manager      
         index.                                                                                                         
         See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format         
         (Rule LP048)                                                                                                   

Linter results for project: 0 ERRORS, 1 WARNINGS

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Linting sketch in GU_Elements/examples/buttons-and-menus

Linter results for project: no errors or warnings

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Linting sketch in GU_Elements/examples/long-menu

Linter results for project: no errors or warnings

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Linting sketch in GU_Elements/examples/pager

Linter results for project: no errors or warnings

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Linting sketch in GU_Elements/examples/sidebar

Linter results for project: no errors or warnings

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

Linter results for projects: 0 ERRORS, 1 WARNINGS

[github-actions]

Your submission has now been accepted! Thanks for your contribution to the Arduino Library Manager index.

The library(s) will be available for installation via Library Manager within a day's time.

You can check the logs from the Library Manager indexer for your library(s) here:
http://downloads.arduino.cc/libraries/logs/github.com/gilesp1729/FontCollection/
http://downloads.arduino.cc/libraries/logs/github.com/gilesp1729/GestureDetector/
http://downloads.arduino.cc/libraries/logs/github.com/gilesp1729/GU_Elements/