Merge pull request zigimg#317 from zigimg/0.16.x

Migration to Zig 0.16.0

Merge pull request zigimg#290 from zigimg/migration-to-zig-0.15

Migration to zig 0.15

Merge pull request zigimg#275 from zigimg/zig-0.14

Migrate to Zig 0.14.1

Merge pull request zigimg#274 from warpdesign/tiff-iff-share-packbits…

…-compression

tiff+iff: share packbits compression