v0.13.2 - Dependency housekeeping

This release does not introduce any changes within Pushy itself, but does perform some dependency housekeeping. The most important change here is that netty-tcnative is no included as a dependency by default (because it is no longer actually required). Users who still want to use netty-tcnative will need to add it as a dependency to their projects separately.

For a complete list of changes, please see the v0.13.2 milestone.