Feature request: Add support to use custom tls for rbacProxy

[Alja9]

Hi,

I want to request to update rbacProxy section, example image tag need to change with the latest version, verbose on args, etc.

But, on this issue I want to request to add custom tls option, example like this :

values.yaml :

rbacProxy:

  enabled: false
  ....
  extraArgs: []
  extraVolumeMounts: []
    # - name: extra-volume
    #   mountPath: /custom-secret
    #   readOnly: true
  # tls enables using TLS resources from a volume on secret referred to in tlsSecret below.
  # When enabling tlsClientAuth, client CA certificate must be set in tlsSecret.caItem.
  # Ref. https://github.com/brancz/kube-rbac-proxy/issues/187
  tls:
    enabled: false
    tlsClientAuth: false

templates -> daemonset.yaml :

      - name: kube-rbac-proxy
        ....
        args:
        # -- request extraArgs
        {{-  if $.Values.rbacProxy.extraArgs  }}
        {{- $.Values.rbacProxy.extraArgs | toYaml | nindent 12 }}
        {{-  end  }}
        - --logtostderr
        - -v=99 (??)
        - --upstream=http://[127.0.0.1]:{{ $.Values.rbacProxy.upstreamListenPort }}
        - --secure-listen-address=[$(IP)]:{{ $.Values.podListenPort }}
        {{- if and $.Values.rbacProxy.tls.enabled $.Values.tlsSecret.enabled }}
        - --tls-cert-file=/tls/private/{{ $.Values.tlsSecret.certItem }}
        - --tls-private-key-file=/tls/private/{{ $.Values.tlsSecret.keyItem }}
        {{- if and $.Values.rbacProxy.tls.tlsClientAuth $.Values.tlsSecret.caItem }}
        - --client-ca-file=/tls/private/{{ $.Values.tlsSecret.caItem }}
       {{- end }}
       {{- end }}

Please make rbacProxy up-to-date, thank you.
Ref : https://github.com/brancz/kube-rbac-proxy?tab=readme-ov-file#usage