Use commit message for bundle deploy description

[jeremybeard]

Description

This change uses the local Git checkout commit message as the default description for bundle deploys, such as for astro dbt deploy. If there is no found local Git checkout the default description is left blank.

🧪 Functional Testing

• Unit test added
• Manually tested

📋 Checklist

• Rebased from the main (or release if patching) branch (before testing)
• Ran make test before taking out of draft
• Ran make lint before taking out of draft
• Added/updated applicable tests
• Tested against Astro-API (if necessary).
• Tested against Houston-API and Astronomer (if necessary).
• Communicated to/tagged owners of respective clients potentially impacted by these changes.
• Updated any related documentation

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 21 lines in your changes missing coverage. Please review.

Project coverage is 86.30%. Comparing base (a8e81d7) to head (6e9c970).
Report is 1 commits behind head on main.

Files	Patch %	Lines
pkg/git/git.go	0.00%	14 Missing ⚠️
cloud/deploy/bundle.go	75.00%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1677      +/-   ##
==========================================
- Coverage   86.31%   86.30%   -0.01%     
==========================================
  Files         116      116              
  Lines       17052    17055       +3     
==========================================
+ Hits        14719    14720       +1     
- Misses       1403     1406       +3     
+ Partials      930      929       -1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.