syscfg 20260501

NEWS:
* Fixed EACCES oversight where files will not be written if the directory is
  read-only. Writes in /proc, for example.

* Fixed the old year date of the manpage.

- Filtered log of core changes:
d583c06 syscfg: Fix EACCES test oversight
cd86fb9 __ed(): Print format on CRC mismatch

- Complete log between 20260423 and 20260501:
ed16f65 syscfg 20260501
a2d350a syscfg.1: Fix year
4f0dbc3 Makefile: Recipe to create the release commit
d583c06 syscfg: Fix EACCES test oversight
cd86fb9 __ed(): Print format on CRC mismatch
0c6e60e Makefile: Add recipe `srcs` to `.PHONY`
0fa26db Makefile: Recipe to add all git sources locally