Update css-inline requirement from ==0.13.* to ==0.14.* (#4043)

Updates the requirements on [css-inline](https://github.com/Stranger6667/css-inline) to permit the latest version.
- [Release notes](https://github.com/Stranger6667/css-inline/releases)
- [Changelog](https://github.com/Stranger6667/css-inline/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Stranger6667/css-inline/compare/c-v0.13.0...c-v0.14.0)

---
updated-dependencies:
- dependency-name: css-inline
  dependency-type: direct:production
...

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pyproject.toml

@@ -33,7 +33,7 @@ dependencies = [
   "celery==5.3.*",
   "chardet==5.2.*",
   "cryptography>=3.4.2",
-  "css-inline==0.13.*",
+  "css-inline==0.14.*",
   "defusedcsv>=1.1.0",
   "dj-static",
   "Django==4.2.*",