Avoid message for failing checks when merge label is applied with caretaker note (#95)
Avoid message for failing checks when merge label is applied with caretaker note (#95)

Currently when someone has a red PR and applies a caretaker note
together with the action: merge label- a huge comment will be posted
by the robot listing all the failed checks. This is generally a good
thing but when the PR author already acknowledges these e.g. failures
and added an explicit note (like merge assistance)- the message from
the robot is spam and pollutes the PR comment history, potentially
making the caretaker note difficult to find.

This commit never adds such a message when a caretaker note is applied.
The label is non-configurable since Angular uses consistent labeling
at this point (and the robot is mostly a legacy artifact currently)
angular/github-robot