Support more modern Lua versions - to keep only one in main

[Christian Ehrhardt ]

Hi,
in the past we have tried to move 5.1->5.2 (bug 1324062) but right now we have:
For older Lua versions being held in main I found:
- apache2-bin depends on lua5.2
- dovecot depends depends on lua5.3
And a request for lua5.4 in bug 1909665.

Step I:

I'd request to check if we can:
- at least move apache2 to lua5.3 to be able to demote lua5.2 in Hirsute
- [1] suggests that 5.3 might work right away

Step II:

Further down the road I'd request to check and work on moving dovecot+apache2 to lua5.4 (unless it turns out impossible). Then we could completely move to 5.4 and demote 5.3 as well.
And we could make ibus-libpinyin a sync again then (see bug 1909665).

[1]: https://git.launchpad.net/ubuntu/+source/apache2/tree/modules/lua/config.m4?h=applied/ubuntu/hirsute#n37

[Paride Legovini (paride)]

I verified that apache2 builds fine against lua5.3 and filed [1] in Debian. This is similar to [2] and the apache2 maintainers promptly bumped the build-dep back then.

[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=979501
[2] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=820243

[Paride Legovini (paride)]

(I also verified that apache2 does *not* build against lua5.4)

[Paride Legovini (paride)]

apache2 "Fix Committed" in Debian: https://salsa.debian.org/apache-team/apache2/-/commit/809ce1694aeea169bcdbac6327606e3017d1ac42