Bump tinycss2 from 1.2.1 to 1.3.0

Bumps [tinycss2](https://github.com/Kozea/tinycss2) from 1.2.1 to 1.3.0.
- [Release notes](https://github.com/Kozea/tinycss2/releases)
- [Changelog](https://github.com/Kozea/tinycss2/blob/main/docs/changelog.rst)
- [Commits](Kozea/tinycss2@v1.2.1...v1.3.0)

---
updated-dependencies:
- dependency-name: tinycss2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -79,7 +79,7 @@ setuptools==69.2.0
 six==1.16.0
 soupsieve==2.5
 stack-data==0.6.3
-tinycss2==1.2.1
+tinycss2==1.3.0
 tornado==6.4
 traitlets==5.14.3
 wakepy==0.7.2