[workflows] Use shallow git clone in workflows #8166
Merged
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Problem
Some our github workflows fetch the entire commit history, allegedly to make bloat reports work, but after examining the bloat check script it appears that the requirement may be no longer valid. The bloat check script used to be run as part of the PR workflows, but now there's a separate workflow for the bloat report. Let's try if we can safely switch to the shallow cloning.
Change overview
Testing
CI only change - no testing needed.