guitarix2-0.45.0

This is the long overdone release for guitarix2 version 0.45.0

Guitarix is a modular, virtual amplifier for Linux.
With Guitarix you can choose different preamp and amp models
and /or could load *.nam files with the Neural Amp Modeler module,
to simulate a specific hardware unit.
Combine them with various effects and speaker cabinet emulations
and/or load your own Impulse Response files
to come up with your very own tones.

This release fix various bugs since the last release from May 2, 2022
It also introduce support for the outstanding Neural Amp Moduler
Please use the attached guitarix2-0.45.0.tar.xz package to build, as the other files provided by github missing the needed submodules.