GitLab

The new upstream release is a maintenance release without any new
features or otherwise visible changes. However, it contains a number
of important bug fixes. So it would be good to have this available.

see also https://github.com/rsyslog/libfastjson/blob/master/ChangeLog

main/libfastjson: updated to new upstream version 0.99.4 removed a stray patch file that is no longer needed or used in this package.

fix pkgname-dbg typo
remove redundant musl-dev makedepends