Bump slevomat/coding-standard from 8.2.0 to 8.3.0 (#11945)
Bump slevomat/coding-standard from 8.2.0 to 8.3.0 (#11945)

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
GoogleForCreators/web-stories-wp,GoogleForCreators/web-stories-wp,GoogleForCreators/web-stories-wp,GoogleForCreators/web-stories-wp,GoogleForCreators/web-stories-wp