build: bump trame-vtk from 2.8.6 to 2.8.7

Bumps [trame-vtk](https://github.com/Kitware/trame-vtk) from 2.8.6 to 2.8.7.
- [Release notes](https://github.com/Kitware/trame-vtk/releases)
- [Changelog](https://github.com/Kitware/trame-vtk/blob/master/CHANGELOG.md)
- [Commits](Kitware/trame-vtk@v2.8.6...v2.8.7)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -92,7 +92,7 @@ doc = [
     "sphinx-autodoc-typehints==1.24.0",
     "sphinx-copybutton==0.5.2",
     "sphinx-jinja==2.0.2",
-    "trame-vtk==2.8.6",
+    "trame-vtk==2.8.7",
     "vtk==9.3.0",
 ]