fix: theme sass deprecation (#234) #154

Job	Run time
template-blank (node 16)	10m 9s
template-blank-vue-ts (node 16)	7m 5s
template-hello-world-ng (node 16)	12m 16s
template-tab-navigation (node 16)	5m 14s
template-blank-ng (node 16)	12m 36s
template-drawer-navigation (node 16)	6m 0s
template-hello-world-ts (node 16)	5m 56s
template-tab-navigation-ng (node 16)	8m 22s
template-blank-react (node 16)	12m 31s
template-drawer-navigation-ng (node 16)	11m 33s
template-master-detail (node 16)	5m 57s
template-tab-navigation-ts (node 16)	4m 50s
template-blank-svelte (node 16)	9m 46s
template-drawer-navigation-ts (node 16)	8m 29s
template-master-detail-ng (node 16)	9m 26s
template-tab-navigation-vue (node 16)	5m 25s
template-blank-ts (node 16)	9m 45s
template-drawer-navigation-vue (node 16)	6m 20s
template-master-detail-ts (node 16)	9m 44s
template-blank-vue (node 16)	8m 55s
template-hello-world (node 16)	5m 9s
template-master-detail-vue (node 16)	6m 58s
	3h 2m 26s

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