node-test-commit-osx-arm reports wrong check to github

[targos]

See in nodejs/node#40178

The failure for node-test-commit-osx-arm is reported as node-test-commit-osx instead.

[richardlau]

I've added a -arm suffix onto the identifier passed to the GitHub bot for this job.

Audit link: https://github.com/nodejs/jenkins-config-test/commit/6cca92311b2bd95ef7adc3497f5d1b0b181628fd

[richardlau]