refactor: clean the addressing engine

[Tochemey]

1. Cleanup the actor addressing engine
2. Rename GossipPort to DiscoveryPort in discovery.Node (breaking changes)
3. Rename ClusterConfig method WithGossipPort to WithDiscoveryPort (breaking changes)
4. Rename ClusterConfig method GossipPort() to DiscoveryPort() (breaking changes)
5. Rename kubernetes config GossipPortName to DiscoveryPortName (breaking changes)

[codecov]

Codecov Report

Attention: Patch coverage is 93.85113% with 19 lines in your changes missing coverage. Please review.

Project coverage is 86.98%. Comparing base (524330a) to head (9e7bef9).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
actors/pid.go	89.15%	8 Missing and 1 partial ⚠️
actors/redistribution.go	53.84%	2 Missing and 4 partials ⚠️
actors/actor_system.go	96.87%	1 Missing and 1 partial ⚠️
address/address.go	97.64%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #460      +/-   ##
==========================================
+ Coverage   86.62%   86.98%   +0.35%     
==========================================
  Files          47       46       -1     
  Lines        3581     3557      -24     
==========================================
- Hits         3102     3094       -8     
+ Misses        339      330       -9     
+ Partials      140      133       -7     

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