add option proxy_headers for k8s modules

[abikouo]

SUMMARY

Fix on kubernetes-python module kubernetes-client/python#1128
#55

ISSUE TYPE

• Feature Pull Request

COMPONENT NAME

k8s authentication

ADDITIONAL INFORMATION

We can now authenticate on k8s cluster using a proxy with proxy headers

- hosts: localhost
  tasks:
  - name: create namespace
    kubernetes.core.k8s:
      defintion:
         name: test
         kind: namespace
      proxy: "http://localhost:3001/"
      proxy_headers: 
          proxy_basic_auth: "username:password"

[codecov]

Codecov Report

Merging #58 (ec66b67) into main (8b2d39d) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #58   +/-   ##
=======================================
  Coverage   24.02%   24.02%           
=======================================
  Files           1        1           
  Lines         154      154           
  Branches       29       29           
=======================================
  Hits           37       37           
- Misses        111      112    +1     
+ Partials        6        5    -1     

Impacted Files	Coverage Δ
...ections/kubernetes/core/plugins/action/k8s_info.py	24.02% <0.00%> (ø)

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[Akasurde]

as per above

[Akasurde]

LGTM