Commits on Mar 21, 2024

1. Heroku-24: Remove git from the run image …

   Since:
   - Most Git use-cases are for cloning dependencies during the build.
   - On Heroku at runtime there is no `.git/` metadata to query the
     local project's repo anyway (since the directory isn't preserved
     during the build).
   - It saves 17 MB, and in a CNB world image size is a much bigger
     concern, so we need to be more selective about what packages
     we include.
   - Once Heroku-24 GAs we can't remove packages (since it will break
     backwards compatibility given stack rebasing), however, we can add
     packages - so we should err on the side of removing packages now.
   
   Before:
   
   ```
   -----> Size breakdown...
          heroku/heroku:24         458MB
          heroku/heroku:24-build   1.13GB
   ```
   
   After:
   
   ```
   -----> Size breakdown...
          heroku/heroku:24         441MB
          heroku/heroku:24-build   1.13GB
   ```
   
   Towards #266.
   GUS-W-15159536.

   

   edmorley committed Mar 21, 2024
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