Add "libdeflate" package as dependency of OpenEXR 3.2.0

[NeroBurner]

• I'm interested in package libdeflate
• Here is the official site of package https://github.com/ebiggers/libdeflate

• Used build system: CMake

• This package has no dependencies

Needed as dependency for OpenEXR 3.2.0+: #788