Bump trame from 2.5.2 to 3.0.2 in /requirements (#291)

Bumps [trame](https://github.com/Kitware/trame) from 2.5.2 to 3.0.2.
- [Release notes](https://github.com/Kitware/trame/releases)
- [Changelog](https://github.com/Kitware/trame/blob/master/CHANGELOG.md)
- [Commits](Kitware/trame@v2.5.2...v3.0.2)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/requirements_doc.txt

@@ -8,5 +8,5 @@ pyvista==0.41.1
 sphinx-copybutton==0.5.2
 sphinx-gallery==0.13.0
 sphinx-notfound-page==0.8.3
-trame==2.5.2
+trame==3.0.2
 vtk==9.2.6