refactor(Sponsors): migrate from SCSS to Tailwind CSS #7074

Job	Run time
E2E test and link check (ubuntu-latest, lts/*)	7m 59s
Unit Test (ubuntu-latest, lts/*)	40s
Lint (ubuntu-latest, lts/*)	1m 2s
Proselint (ubuntu-latest, lts/*)	38s
	10m 19s

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