Update dependency nglview to v3.1.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
nglview	==3.0.8 -> ==3.1.2

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Release Notes

arose/nglview (nglview)

### [`v3.1.2`](https://togithub.com/nglviewer/nglview/releases/tag/v3.1.2) [Compare Source](https://togithub.com/arose/nglview/compare/v3.1.1...v3.1.2) v3.1.2 FIX movie rendering [#​1103](https://togithub.com/arose/nglview/issues/1103) [#​1102](https://togithub.com/arose/nglview/issues/1102) ### [`v3.1.1`](https://togithub.com/nglviewer/nglview/releases/tag/v3.1.1) [Compare Source](https://togithub.com/arose/nglview/compare/v3.1.0...v3.1.1) v3.1.1 ### [`v3.1.0`](https://togithub.com/nglviewer/nglview/releases/tag/v3.1.0) [Compare Source](https://togithub.com/arose/nglview/compare/v3.0.8...v3.1.0) v3.1.0

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