Cracking noise when playing audio and when starting the computer

Support Audio
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2

The preferred (for better output) is [HowTo] Provide System Information

From a quick review it looks like you tried the first section here, but what about the second ?
(and the rest I suppose)

https://wiki.archlinux.org/title/PulseAudio/Troubleshooting#Glitches,_skips_or_crackling

/etc/modprobe.d/sound.conf

options snd-hda-intel vid=8086 pid=8ca0 snoop=0

And

Make sure you have alsa-utils installed, launch alsamixer, then select your audio device (pressing F6), navigate all the way left using the left arrow, and stop on Loopback, if Enabled disable it using the down arrow. This should not impact audio playback or microphone recording negatively, unless you require loopback mixing.