Add: MTLS Support in API level

[BLasan]

Purpose

$subject

CR structure

apiVersion: dp.wso2.com/v1alpha1
kind: Authentication
metadata:
  name: sand-http-bin-authentication
spec:
  override:
    type: ext
    ext:
      mutualSSL: mandatory
      disabled: false
      serviceRef:
        group: wso2/v1alpha2
        kind: Backend
        name: ext_authz-server
        port: 1234
      authTypes:
        apiKey:
          - in: Header
            name: x-api-key
  default:
    mutualSSL: mandatory
    type: ext
    ext:
      serviceRef: 
        group: wso2/v1alpha2
        kind: Backend
        name: ext_authz-server
        port: 1234
      authTypes:
        apiKey:
          - in: Header
            name: x-api-key
  targetRef:
    kind: API
    name: http-bin-api1 #provide API ref name
    group: ""

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: -0.08 ⚠️

Comparison is base (8ee77b0) 25.00% compared to head (770e9ad) 24.93%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1349      +/-   ##
==========================================
- Coverage   25.00%   24.93%   -0.08%     
==========================================
  Files         129      130       +1     
  Lines       15010    15057      +47     
  Branches     2414     2414              
==========================================
  Hits         3754     3754              
- Misses      11123    11170      +47     
  Partials      133      133              

Flag	Coverage Δ
adapter	23.67% <ø> (?)
config-deployer-service	20.86% <ø> (?)
idp-domain-service	80.10% <ø> (?)

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see 259 files with indirect coverage changes

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[Krishanx92]

This will added with following PR: #1857