chore(deps): update dependency org.jetbrains.lets-plot:lets-plot-kotlin-jvm to v4.15.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.jetbrains.lets-plot:lets-plot-kotlin-jvm	4.14.1 → 4.15.0

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Release Notes

JetBrains/lets-plot-kotlin (org.jetbrains.lets-plot:lets-plot-kotlin-jvm)

v4.15.0

This release is 100% compatible with Lets-Plot v 4.11.0,
GeoTools v 33.2

Added

• theme(): new tooltipMerge and tooltipMaxCount parameters to combine the general tooltips of multiple targets into a single tooltip.

  See: example notebook.

• Text halos improve readability on varied backgrounds. New haloWidth and haloColor parameters are supported in geomText()/geomTextRepel() and by labels in corrPlot().

  See: example notebook.

• SpatialDataset objects can be displayed as compact preview tables in Kotlin notebooks [LPK-274].

  See: example notebook.

Fixed

• Incorrect hjust/vjust/angle justification of vertical-axis tick labels (theme(axisTextY=elementText(...))).
• Rotated vertical-axis tick labels could be wrongly dropped or kept by overlap-based break filtering.
• Misaligned or mismatched axis tick labels when some breaks are dropped after layout.

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