Renamed proj4 to proj, to use current naming of the project.
Upgrades PROJ to the last available version (9.4.0) as a previous
step to upgrade GDAL, which depends on it.

See merge request nexedi/slapos!1586.

Upgrades GEOS to the last available version (3.12.2) as a previous
step to upgrade GDAL, which depends on it.

See merge request !1586.

THis is a fixup of 4df39d83.

Also copy generated binary to buildout root's bin folder.

* rename enb-output.log to enb-info.log
* add host ID, FPGA version and kernel version in enb-info.log
* keep the 50 latest enb radio logs
* don't let enb-info execeed 500kB, but store up to 100MB of enb-info
  archives
  into another file

This is a fixup of cce1a1c9.

See merge request nexedi/slapos!1650

See merge request nexedi/slapos!1650

Fixup of a3e15fc4.

Before this patch SlapOS users had to manually add SSL files in case WCFS
was used in combination with NEO+SSL. This is bad as we can easily forget
to update local parameter files when updating instance parameters ("_ca",
"_cert" and "_key"). This builds up on nexedi/slapos@706801f2.

/reviewed-by @kirr @jerome
/reviewed-on nexedi/slapos!1620