chore: update dependabot configuration for github-actions

[GarrettBeatty]

Updates the dependabot configuration to manage GitHub Actions dependencies with quarterly updates.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.15%. Comparing base (33e5e73) to head (9fd214c).
⚠️ Report is 5 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #985      +/-   ##
==========================================
+ Coverage   62.11%   62.15%   +0.03%     
==========================================
  Files         294      294              
  Lines       10813    10813              
  Branches     1615     1615              
==========================================
+ Hits         6717     6721       +4     
+ Misses       3494     3491       -3     
+ Partials      602      601       -1     

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