Added monitor for release jenkins agents

[UlisesGascon]

Main Changes

As discussed in https://github.com/nodejs/build/issues/3414, this add a new pipeline and files to manage alerts from the release machines, following the same settings as per the test machines.

Important

In order to make this new pipeline work we will need to include two secrets in the CI:

• JENKINS_RELEASE_USERNAME
• JENKINS_RELEASE_TOKEN

How to generate the token

Contest

close https://github.com/nodejs/build/issues/3414

Changelog

• b19a87a feat: added monitor for release jenkins agents by @UlisesGascon