Update nglview requirement from ~=3.0.3 to ~=3.0.4

Updates the requirements on [nglview](https://github.com/arose/nglview) to permit the latest version.
- [Release notes](https://github.com/arose/nglview/releases)
- [Changelog](https://github.com/nglviewer/nglview/blob/master/CHANGELOG.md)
- [Commits](nglviewer/nglview@v3.0.3...v3.0.4)

---
updated-dependencies:
- dependency-name: nglview
  dependency-type: direct:production
...

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

requirements.txt

@@ -12,7 +12,7 @@ seekpath~=2.0.1
 widget-bzvisualizer~=0.1.0b10
 plotly~=5.14.1
 pandas~=2.0.1
-nglview~=3.0.3
+nglview~=3.0.4
 moviepy~=1.0.3
 ipyevents~=2.0.1
 ipython~=8.12.0