v5.26.0

Changes from v5.25.0:

vega-functions

• Add geoScale expression function. (thanks @binste)

vega-scale

• Fix tickMinStep calculation. (thanks @kanitw)

vega-scenegraph

• Add experimental hybrid canvas/SVG renderer (thanks @jonmmease)
• Fall back to textMetrics.width for user defined width function (thanks @jonmmease)

vega-selections

• Fix null handling in vlSelectionTest (thanks @arvind, @jonmmease)

vega-transforms

• Add aggregate parameters to vega-transform, and exponential moving average. (thanks @Xitian9)

vega-typings

• Bump typings to a 1.0 release. (thanks @domoritz)

vega-voronoi

• Fix reference for voronoi path point. (thanks @suchanlee)