Cicrcle CI not triggered by other git branch

recently i push my config.yaml to branch ‘karsajobs’, but circleci doesn’t trigger that push. it seem only main branch triggered :thinking:
I am a beginner in using circleci. can u help me?
Previously i use jenskins and travis ci.

these my github repo
repository (

github .com /akhsaul/a433-microservices