Replace Lenna test image.

[scosman]

What's Changing and Why

Replace Lenna test image.

See: https://en.wikipedia.org/wiki/Lenna#Criticism for context

Discussion/prior okay here: https://github.com/jimp-dev/jimp/issues/711

New image is royalty free from Kodak: https://github.com/lemire/kodakimagecollection

What else might be affected

I'm no expert in this project, but seems pretty safe

Tasks

• [ x ] Add tests -- no additions, but updated tests to use new image.
• [ x ] Update Documentation
• [ na ] Update jimp.d.ts
• [ na ] Add SemVer Label - not required as doesn't change functionality, just docs/tests