build(deps): bump nbsphinx from 0.9.6 to 0.9.7

Bumps [nbsphinx](https://github.com/spatialaudio/nbsphinx) from 0.9.6 to 0.9.7.
- [Release notes](https://github.com/spatialaudio/nbsphinx/releases)
- [Changelog](https://github.com/spatialaudio/nbsphinx/blob/master/NEWS.rst)
- [Commits](spatialaudio/nbsphinx@0.9.6...0.9.7)

---
updated-dependencies:
- dependency-name: nbsphinx
  dependency-version: 0.9.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -48,7 +48,7 @@ doc = [
     "ansys-sphinx-theme==1.5.2",
     "jupyter_sphinx==0.5.3",
     "jupytext==1.17.2",
-    "nbsphinx==0.9.6",
+    "nbsphinx==0.9.7",
     "numpydoc==1.9.0",
     "sphinx==8.2.3",
     "sphinx-autoapi==3.6.0",