v0.6

This version includes the following fixes:

• Fix file descriptor leak #59
• Latency improvements to sink #59
• Add module params to source, sink #59
• Switch from Travis CI to GitHub Actions and some CI improvements #60 #61
• Improve Debian/Ubuntu build process for users #62
• Add version logging to modules #63
• Install desktop entry file to reload pulse modules #64
• Add support for Meson build system used by PulseAudio 15 #68

This release is recommended if the pulseaudio process is launched by systemd.