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] <[email protected]>

test_reqs.txt

@@ -19,4 +19,4 @@ Markdown==3.6
 django-markdownify==0.9.3
 bleach==6.1.0
 webencodings==0.5.1
-tinycss2==1.2.1  # django-markdownify
+tinycss2==1.3.0  # django-markdownify