Fix PR previews for QML demos (#1192) #456

Job	Run time
build / compute-build-strategy-matrix	21s
build / validate-poetry-lock-file	28s
build / validate-inputs	1s
build / build-branch (0)	10m 48s
build / build-branch (1)	8m 11s
build / build-branch (2)	8m 56s
build / build-branch (3)	9m 8s
build / build-branch (4)	8m 14s
build / build-branch (5)	8m 39s
build / build-branch (6)	8m 5s
build / build-branch (7)	8m 4s
build / build-branch (8)	9m 5s
build / build-branch (9)	8m 6s
build / aggregate_build	3m 43s
upload-dev	0s
upload-staging / upload	2m 15s
upload-staging / trigger-website-build	4s
	1h 34m 8s

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