Update gschema-overrides.yml #953

Job	Run time
Build myOS (intel-amd/gnome.yml)	4m 11s
Build myOS (intel-amd/kde.yml)	13m 22s
Build myOS (intel-amd/cosmic.yml)	14m 0s
Build myOS (nvidia/gnome.yml)	2m 34s
Build myOS (nvidia/kde.yml)	12m 59s
Build myOS (nvidia/cosmic.yml)	12m 50s
Build myOS (intel-mac/gnome.yml)	8m 8s
Build myOS (intel-mac/kde.yml)	8m 34s
Build myOS (intel-mac/cosmic.yml)	24m 36s
Build myOS (surface/gnome.yml)	2m 20s
Build myOS (surface/kde.yml)	2m 53s
	1h 46m 27s

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