updateFontSize

fun updateFontSize(from: Int, to: Int, size: Float): Paragraph

from and to are ignored by skia and change applies to the whole paragraph text see: https://github.com/JetBrains/skia/blob/51072f3e6d263eeffed4c3038655ab1bf9cf8439/modules/skparagraph/src/ParagraphImpl.cpp#L1069