feat!: Replace sass with vanilla css in custom tag block #31058

Job	Run time
collect-and-verify	4m 20s
lms-1(py=3.11,dj=pinned,mongo=7.0)	10m 1s
lms-2(py=3.11,dj=pinned,mongo=7.0)	11m 17s
lms-3(py=3.11,dj=pinned,mongo=7.0)	15m 18s
lms-4(py=3.11,dj=pinned,mongo=7.0)	20m 11s
lms-5(py=3.11,dj=pinned,mongo=7.0)	11m 11s
lms-6(py=3.11,dj=pinned,mongo=7.0)	15m 41s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	11m 6s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	14m 28s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 22s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 28s
cms-1(py=3.11,dj=pinned,mongo=7.0)	4m 50s
cms-2(py=3.11,dj=pinned,mongo=7.0)	13m 5s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	9m 33s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 6s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 31s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 51s
Unit tests successful	2s
compile-warnings-report	13s
coverage (3.11)	1m 37s
merge-artifacts	16s
	3h 1m 27s

Provide feedback