Release adjustments and documentation

[didierofrivia]

This PR removes unnecessary env var CHANNELS and adds the step to follow in order to release a X.Y.Z version of the Kuadrant Operator

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.97%. Comparing base (ece13e8) to head (da63966).
Report is 172 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #834      +/-   ##
==========================================
+ Coverage   80.20%   81.97%   +1.76%     
==========================================
  Files          64       76      +12     
  Lines        4492     6090    +1598     
==========================================
+ Hits         3603     4992    +1389     
- Misses        600      749     +149     
- Partials      289      349      +60     

Flag	Coverage Δ
bare-k8s-integration	4.50% <ø> (?)
controllers-integration	71.92% <ø> (?)
gatewayapi-integration	10.95% <ø> (?)
integration	?
istio-integration	56.23% <ø> (?)
unit	31.58% <ø> (+1.55%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
api/v1beta1 (u)	71.42% <ø> (ø)
api/v1beta2 (u)	85.35% <80.00%> (-6.08%)	⬇️
pkg/common (u)	88.13% <ø> (-0.70%)	⬇️
pkg/istio (u)	72.50% <ø> (-1.41%)	⬇️
pkg/log (u)	94.73% <ø> (ø)
pkg/reconcilers (u)	∅ <ø> (∅)
pkg/rlptools (u)	83.64% <ø> (+4.19%)	⬆️
controllers (i)	82.33% <82.24%> (+5.53%)	⬆️

see 42 files with indirect coverage changes

[eguzki]

openshift release requires some bits we do not have in this repo:

in metadata/annotations.yaml, the target catalog version

com.redhat.openshift.versions: "v4.12"

[eguzki]

also, replaces field in the CSV is not needed.

[didierofrivia]

I'd say let's shoot another PR to fix the OpertaorHub/OpenShift operators publishing, since it's not needed until GA. WDYT?

[didierofrivia]

also, it will need to be changed all along the dependencies