find-sources: Guarantee stable file order

This is a cause for unreproducibility. See https://reproducible-builds.org/docs/stable-inputs/

approved this merge request

By Johannes Marbach on 2024-08-06T10:53:55

Looks good, thank you.

By Johannes Marbach on 2024-08-06T10:54:12

mentioned in commit 71b0b812

By Johannes Marbach on 2024-08-06T10:54:32

merged

mentioned in commit 05a7512b

By Johannes Marbach on 2024-08-08T18:08:22

mentioned in merge request !29 (merged)

By Johannes Marbach on 2024-09-26T17:37:14