Don’t use the built in hdmi port. All you need is one of these. https://www.amazon.com/dp/B06XFG1YKT/
I'm using this with an M1 Mini and love it.
Sceptre 35" UltraWide Curved QHD... https://www.amazon.com/dp/B09BBP2LY6?ref=ppx_pop_mob_ap_share
Using this cable.
USB C to DisplayPort 6 Feet... https://www.amazon.com/dp/B06XFG1YKT?ref=ppx_pop_mob_ap_share