v4.0.2

Bug fixes

• Changed XYZ <-> Oklab conversion matrices to match those used in the css-color-4 spec (#237, #249, #255)
• toGamut() throws a more useful error than simply crashing then mode color space does not have lightness and chroma components (#261)
• Changed reference component value ranges for lab / lch / lab65 / lch65 to match CSS spec (#260)