Bump pygithub from 1.55 to 1.56 in /compilesketches#81

per1234 merged 1 commit intomainarduino/compile-sketches:mainfrom

dependabot/pip/compilesketches/pygithub-1.56arduino/compile-sketches:dependabot/pip/compilesketches/pygithub-1.56Copy head branch name to clipboard