Bump docker/setup-buildx-action from 3.3.0 to 3.6.1 #254

Job	Run time
bookworm armv7 / build	16m 54s
bullseye armv7 / build	17m 17s
bookworm armv7 / test (pi, run_installation_classic.sh)	12m 3s
bookworm armv7 / test (pi, run_installation_rfid.sh)	11m 48s
bookworm armv7 / test (pi, run_installation_spotify.sh)	15m 30s
bookworm armv7 / test (pi, run_installation_staticip_dhcpcd.sh)	11m 51s
bookworm armv7 / test (pi, run_installation_autohotspot_dhcpcd.sh)	12m 14s
bookworm armv7 / test (pi, run_installation_autohotspot_NetworkManager.sh)	11m 49s
bookworm armv7 / test (hans, run_installation_classic.sh)	42s
bullseye armv7 / test (pi, run_installation_classic.sh)	4m 31s
bullseye armv7 / test (pi, run_installation_rfid.sh)	5m 14s
bullseye armv7 / test (pi, run_installation_spotify.sh)	8m 18s
bullseye armv7 / test (pi, run_installation_staticip_dhcpcd.sh)	5m 3s
bullseye armv7 / test (pi, run_installation_autohotspot_dhcpcd.sh)	5m 25s
bullseye armv7 / test (pi, run_installation_autohotspot_NetworkManager.sh)	5m 25s
bullseye armv7 / test (hans, run_installation_classic.sh)	1m 3s
bookworm armv7 / cleanup	7s
bullseye armv7 / cleanup	2s
	2h 25m 16s

Provide feedback