reduce-bitbucket-api-calls

[mbruhin]

fixes RoadieHQ/roadie-backstage-plugins#1604

:heavy_check_mark: Checklist

• [ ] Added tests for new functionality and regression tests for bug fixes
• [x] Added changeset (run yarn changeset in the root)
• [ ] Screenshots of before and after attached (for UI changes)
• [ ] Added or updated documentation (if applicable)

[iain-b]

I'll merge once CI is complete.

[iain-b]

Hi, I've clicked the button to release this. It should be available shortly.