Build(deps): Bump css_parser from 1.10.0 to 1.11.0

Bumps [css_parser](https://github.com/premailer/css_parser) from 1.10.0 to 1.11.0.
- [Release notes](https://github.com/premailer/css_parser/releases)
- [Changelog](https://github.com/premailer/css_parser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/premailer/css_parser/compare/v1.10.0...v1.11.0)

---
updated-dependencies:
- dependency-name: css_parser
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -101,7 +101,7 @@ GEM
     crack (0.4.5)
       rexml
     crass (1.0.6)
-    css_parser (1.10.0)
+    css_parser (1.11.0)
       addressable
     debug_inspector (1.1.0)
     diff-lcs (1.4.4)