raphaelquast/EOmaps: EOmaps v4.1

A minor release that brings an awesome new feature and some bugfixes.

• Quickly create zoomed-in views on selected regions of a map with m.new_inset_map()

Checkout the docs for more details: 🔬 Inset-maps - zoom-in on interesting areas

• allow using a scalar radius for calculating ellipse and rectangle points
• make sure the blit-manager always uses the correct figure object
• make histogram plot background visible (but set boundary color to none)
• fix wrong error-catching for layer-slider
• fix issues with colored histograms for discrete colormaps