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Identify the Bug

Closes: #21954

Closes: #21955
(This PR is a re-do of #21955)

Description of the Change

Bumping version of language-css from 0.44.4 to 0.45.1

This includes changes that should fix atom/language-sass#226

Alternate Designs

None.

Possible Drawbacks

None.

Verification Process

CI should pass.

Release Notes

⬆️ language-css 0.45.1 (fixes some incorrect code highlighting)