job name check is not strict enough

Summary

ensure-job-added will pass if any job has the specified job_name as a substring

Steps to reproduce

Add a job whose name contains the specified job_name as a substring

Example Project

https://gitlab.com/bradmac/ensure-job-added-false-positive-sscce

What is the current bug behavior?

What is the expected correct behavior?

Job should only succeed if its name matches exactly

Possible fixes

Instead of using matches, use ==: map(select(.name == $expected_job_name))