ci: add job to cancel previous runs

[ersachin3112]

This PR contains a:

• [ ] bugfix
• [ ] new feature
• [ ] code refactor
• [ ] test update
• [ ] typo fix
• [x] metadata update

Motivation / Use-Case

add job to cancel previous runs

Breaking Changes

No

Additional Info

No

[codecov[bot]]

Codecov Report

Merging #598 (3146fdf) into master (df74391) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #598   +/-   ##
=======================================
  Coverage   93.14%   93.14%           
=======================================
  Files           5        5           
  Lines         321      321           
  Branches      106      106           
=======================================
  Hits          299      299           
  Misses         20       20           
  Partials        2        2           

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.