RunCommand: Return metrics as a float

Dependencies

• [2] 6ZXL5UOP Add a plugin to execute arbitrary commands when a build finishes

Change contents

• replacement in src/lib/Hydra/Plugin/RunCommand.pm at line 100
  [2.3144]→[2.3144:3189](∅→∅)
  − value => $metric->value,
  [2.3144]

  [2.3189]
  + value => 0 + $metric->value,