compat: Support Bokeh 3.6

[hoxbro]

With the release of Panel 1.5.1 this should now be possible.

[hoxbro]

Maybe failing install is related to bokeh/bokeh#14085.

[mattpap]

I fixed type errors in edit tools. I'm still investigating what to do about these tools in general. There are more differences between geoviews' and bokehjs' implementation that I originally expected.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.32%. Comparing base (4efca3b) to head (51f76dd).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #750      +/-   ##
==========================================
- Coverage   69.34%   69.32%   -0.03%     
==========================================
  Files          45       45              
  Lines        4721     4721              
==========================================
- Hits         3274     3273       -1     
- Misses       1447     1448       +1     

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