Revert "feat: added dependabot"

[palisadoes]

Reverts #1144

1. I have to revert this. The file is in the wrong directory and is causing other merges to fail.
2. @disha1202 refer to this and submit a new PR based on the original issue
   • https://github.com/PalisadoesFoundation/talawa-api/tree/develop/.github

[github-actions]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (58322cd) 94.49% compared to head (47e471e) 94.49%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1149   +/-   ##
========================================
  Coverage    94.49%   94.49%           
========================================
  Files          138      138           
  Lines         3286     3286           
  Branches       912      912           
========================================
  Hits          3105     3105           
  Misses         174      174           
  Partials         7        7           

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