Fix GitHub status update for private flakes.

Dependencies

• [2] 6XZA5RB6 Fix Github status plugin for flakes
• [3] YH2ITHUE [DEVOPS-1126] throttle github status calls to remain under api ratelimits
• [*] NSRWW6LC Add a plugin to interact with the github status API.

Change contents

• replacement in src/lib/Hydra/Plugin/GithubStatus.pm at line 96
  [2.408]→[2.408:531](∅→∅)
  − $eval->flake =~ m!github:([^/]+)/([^/]+)/(.+)$!;

  − $sendStatus->("src", $1, $2, $3);
  [2.408]

  [2.531]
  + if ($eval->flake =~ m!github:([^/]+)/([^/]+)/([[:xdigit:]]{40})$! or $eval->flake =~ m!git\+ssh://git\@github.com/([^/]+)/([^/]+)\?.*rev=([[:xdigit:]]{40})$!) {

  + $sendStatus->("src", $1, $2, $3);

  + } else {

  + print STDERR "Can't parse flake, skipping GitHub status update\n";

  + }