Panel 1.0 Release

The Panel 1.0 release is finally here and it brings a huge number of improvements. The largest improvements in this release come from an upgrade from Bokeh 2.x to Bokeh 3.x. Bokeh overhauled its internal layout engine and stylesheet handling, making applications significantly more performant and customizable going forward. This release marks a huge step forward in the usability of Panel but is also just a first step in leveraging many of the new capabilities that the updated layout engine and d...