Fix C++ cookbook by adding zlib to conda environment files (#328)

Closes https://github.com/apache/arrow-cookbook/issues/323

I added zlib both to the stable and dev environment files because I
assumed we'd eventually see whatever change libgrpc made in stable. I
also ran conda lock --file environment.yml --kind explicit -p
linux-aarch64 -p linux-64 -p osx-arm64 to update lockfiles.
5 files changed