fix(deps): update dependency @jupyter-widgets/jupyterlab-manager to ^3.1.5

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@jupyter-widgets/jupyterlab-manager	^3.1.4 -> ^3.1.5

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Release Notes

jupyter-widgets/ipywidgets (@​jupyter-widgets/jupyterlab-manager)

### [`v3.1.5`](https://togithub.com/jupyter-widgets/ipywidgets/compare/@jupyter-widgets/jupyterlab-manager@3.1.4...f274e7cd4efe9bd533a15391d6677ca180e48d5f) [Compare Source](https://togithub.com/jupyter-widgets/ipywidgets/compare/@jupyter-widgets/jupyterlab-manager@3.1.4...f274e7cd4efe9bd533a15391d6677ca180e48d5f)

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