Change report storage ... #1120
Description
Right now reports are stored on branch data in directories with names of the form reports/BRANCHNAME/YYYY-MM-DD-HH:mm:ss-HASH/. That results in hundreds if not thousands of directories (I just deleted a few thousand from 2022-2024). That's difficult to navigate on GitHub.
Perhaps we could instead use reports/BRANCHNAME/YYYY/MM/DD-HH:mm:ss-HASH ?