Update pipewire to 0.3.45

Highlighted changes:

• Zoom, telegram and other apps should be able to play sound again
• Implement a better way to force and lock JACK buffersize
• Default sink and source names and properties are improved
• The config loader can now load and merge fragments in conf.d directories for easier user configuration of config files
• Many small bug fixes and improvements

Full changelog available here

• Checked pactl info
• Connected my Bluetooth headphones
• Played audio and video with all my media players
• Played audio and video in Firefox
• Recorded some audio
• Checked audio output in a Steam Proton game and a native FMOD/ALSA game