netatalk: update to version 3.1.13

netatalk: update to version 3.1.13

Please update to this latest release as soon as possible as this
releases fixes the following major security issues: CVE-2021-31439,
CVE-2022-23121, CVE-2022-23122, CVE-2022-23123, CVE-2022-23124,
CVE-2022-23125 and CVE-2022-0194.

For a summary of news and a detailed list of changes see the
ReleaseNotes[1].

[1]: https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 951ef67479dbf52af124671d367dd5e1a6d16121)