v0.33.3 - 23rd March 2024

Upgrade to libvips v8.15.2 for upstream bug fixes.

Ensure keepIccProfile retains P3 and CMYK input profiles. #3906 #4008

Ensure text.wrap property can accept word-char as value. #4028 @yolopunk

Ensure clone takes a deep copy of existing options. #4029

Add bitdepth option to heif output (prebuilt binaries support 8-bit only). #4036 @mertalev