Bump mistune from 2.0.0a6 to 3.0.2 in /semantic-conventions

Bumps [mistune](https://github.com/lepture/mistune) from 2.0.0a6 to 3.0.2.
- [Release notes](https://github.com/lepture/mistune/releases)
- [Changelog](https://github.com/lepture/mistune/blob/v3.0.2/docs/changes.rst)
- [Commits](lepture/mistune@v2.0.0a6...v3.0.2)

---
updated-dependencies:
- dependency-name: mistune
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

semantic-conventions/setup.cfg

@@ -39,7 +39,7 @@ install_requires =
     dataclasses~=0.6
     ruamel.yaml~=0.16
     Jinja2~=3.0
-    mistune==2.0.0a6
+    mistune==3.0.2
 
 [options.packages.find]
 where = src