chore: Convert word cloud block sass variables to css variables #28262

Job	Run time
collect-and-verify	4m 24s
lms-1(py=3.11,dj=pinned,mongo=7.0)	9m 56s
lms-2(py=3.11,dj=pinned,mongo=7.0)	11m 43s
lms-3(py=3.11,dj=pinned,mongo=7.0)	15m 50s
lms-4(py=3.11,dj=pinned,mongo=7.0)	20m 13s
lms-5(py=3.11,dj=pinned,mongo=7.0)	11m 50s
lms-6(py=3.11,dj=pinned,mongo=7.0)	15m 36s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	11m 45s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	14m 39s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	7m 28s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 48s
cms-1(py=3.11,dj=pinned,mongo=7.0)	4m 26s
cms-2(py=3.11,dj=pinned,mongo=7.0)	12m 30s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	9m 31s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 16s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 40s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 40s
compile-warnings-report	16s
coverage (3.11)	1m 38s
Unit tests successful	4s
merge-artifacts	6s
	3h 2m 19s

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