Napari-pyclesperanto-assistant

New features
* Improved listing in napari hub (thanks to neuromusic)
* Basic compatibility with napari-workflow-optimizer
* Store GUI widget in layer.source to improve compatibility with napari

Bug fixes
* Fixed future warnings when using the upcoming napari 0.4.13
* Removed a debug trace that was printed when starting up napari

Removed features
* Compatibility with napari 0.4.8

New features
* Supports listing operations from other plugins that are registered functions in napari-tools-menu
* Allow filtering operations using a search-string

New features
* Better support for generating workflows using napari-time-slicer / napari-workflow-inspector. The assistant notifies the workflow manager now if it does something and the workflow manager records it properly, allowing code generation from the workflow inspector.

See also https://github.com/clEsperanto/pyclesperanto_prototype/blob/master/docs/release_notes.md#0112---december-5th-2021

Backwards compatible changes
* Changed menu entries to cover finer differentiation between various filtering and segmentation techniquese

Bugfixes
* Deployment: Too large wheels/files were packed

Bug fixes
* contrast_limits were not in generated code