fix(build): fix snappy shared library build on macOS

[fffonion]

Summary

Checklist

• The Pull Request has tests
• A changelog file has been created under changelog/unreleased/kong or skip-changelog label added on PR if changelog is unnecessary. README.md
• There is a user-facing docs PR against https://github.com/Kong/docs.konghq.com - PUT DOCS PR HERE

Issue reference

Fix #[issue number]

[bungle]

Works:

❯ ll bazel-out/darwin_arm64-fastbuild/bin/external/snappy                           
total 392K
drwxr-xr-x 4 bungle wheel  128 Apr 25 14:55 _objs
-r-xr-xr-x 1 bungle wheel 1.7K Apr 25 14:55 config.h
-r-xr-xr-x 1 bungle wheel 1.9K Apr 25 14:55 libsnappy-stubs-internal.a
-r-xr-xr-x 1 bungle wheel 195K Apr 25 14:55 libsnappy.a.a
-r-xr-xr-x 1 bungle wheel 179K Apr 25 14:55 libsnappy.dylib
-r-xr-xr-x 1 bungle wheel  440 Apr 25 14:55 libsnappy.dylib-2.params
-r-xr-xr-x 1 bungle wheel 2.6K Apr 25 14:55 snappy-stubs-public.h

Thanks @fffonion!

[kikito]

This was included in kong-ee as part of https://github.com/Kong/kong-ee/pull/8928