Audi A5 f5 3.0 TDI Quattro S line S tronic Virtual Cockpit Driving assist pack
You need locksmith to unlock the driver door then you can pop the boot open.Happened to me a few years ago. The AA recovery man was able to open the car using a lock pick. Took him about 30mins of messing about, but got the door open and crawled through the back seats and got the key
He used something similar to this
Loboo Idea Original LISHI HU92 V.3 2-in-1 Car Pick and Decoder Tool Auto Lock Pick Set, Professional Locksmith Tool for BMW, Land Rover, HUF, Rolls Royce, etc https://www.amazon.co.uk/dp/B07F3HP3Y3/ref=cm_sw_r_apan_i_ERBMCC7BM8SNZP6V0R6N
Good luck, there's no work around unless you're a professional car thief or have a spare somewhere.