Mac mini (M1, 2020) - Technical specifications
Video Support Simultaneously supports up to two displays: One display with up to 6K resolution at 60Hz connected via Thunderbolt and one display with up to 4K resolution at 60Hz connected via HDMI 2.0 Thunderbolt 3 digital video output supports Native DisplayPort output over USB‑C Thunderbolt 2, DVI, and VGA output supported using adapters (sold separately) HDMI 2.0 display video output Support for one display with up to 4K resolution at 60Hz DVI output using HDMI to DVI Adapter (sold separately)
From my reading of the above (unfortunately copy and paste mixed it up some) your Mini has HDMI