Version 1.19.1

This micro release includes a number of bug fixes and enhancements, as well as compatibility updates.
Thanks to @maximlt and @hoxbro for their contributions.

Enhancements

• Add color to bars for Plotly backend (#6294)

Bug fixes

• Ensure no auto index is created when a kdim is part of a multi index (#6299)
• Fix hv.Bars with only one value in it (#6301)
• Set zIndex of Popup to 1000 (#6297)
• Handle boolean input in categorically grouped Bars plots (#6304)
• Also check for pd.NA in is_nan (#6290)

Compatibility

• Compatibility with Bokeh 3.5 (#6267)
• Compatibility with Matplotlib 3.9 (#6307)
• pandas: Fix observed FutureWarning for categorial groupby (#6306)
• Lazy load dask.dataframe in operations.datashader (#6309)

Maintenance

• Update pre-commit and conda-build script (#6287)
• Update hatchling options to match other packages (#6291)
• Update hv.show_versions with more relevant packages (#6293)