chore: (github actions) update node version from 18 to 22

update node version to 22 in lint and test workflow # Description Fix #249 failing test and lint workflow due to node version being too low  # How Has This Been Tested? Tested on my fork - https://github.com/cherylli/chingu-dashboard-be/actions/runs/14008118704/job/39224526712?pr=11