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 #88 (cd24e8d) into master (cfba01e) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master       #88   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         2           
  Lines           12        12           
  Branches         3         3           
=========================================
  Hits            12        12           

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