Added color output for buildtest buildspec maintainers option

[prathmesh4321]

[codecov]

Codecov Report

Base: 81.72% // Head: 80.92% // Decreases project coverage by -0.80% ⚠️

Coverage data is based on head (c79014c) compared to base (edea82a).
Patch coverage: 100.00% of modified lines in pull request are covered.

❗ Current head c79014c differs from pull request most recent head b01048d. Consider uploading reports for the commit b01048d to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##            devel    #1284      +/-   ##
==========================================
- Coverage   81.72%   80.92%   -0.80%     
==========================================
  Files          55       55              
  Lines        5885     5975      +90     
  Branches     1040     1078      +38     
==========================================
+ Hits         4809     4835      +26     
- Misses       1076     1140      +64     

Impacted Files	Coverage Δ
buildtest/cli/buildspec.py	94.88% <100.00%> (+0.02%)	⬆️
buildtest/cli/compilers.py	65.62% <0.00%> (-16.96%)	⬇️

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[shahzebsiddiqui]

LGTM