add: `orchis-kde`, `qt6-style-kvantum` #8801

Job	Run time
test-on-debian (debian:stable, master)	48s
test-on-ubuntu (ubuntu:latest, master)	43s
test-on-debian (debian:stable, develop)	54s
test-on-ubuntu (ubuntu:latest, develop)	49s
test-on-debian (debian:testing, master)	42s
test-on-ubuntu (ubuntu:devel, master)	41s
test-on-debian (debian:testing, develop)	52s
test-on-ubuntu (ubuntu:devel, develop)	46s
test-on-ubuntu (ubuntu:rolling, master)	46s
test-on-debian (debian:unstable, master)	51s
test-on-ubuntu (ubuntu:rolling, develop)	43s
test-on-debian (debian:unstable, develop)	46s
	9m 21s

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