package verify ignores the lines inside a range iteration

[zmalik]

What happened:
package verify doesn't evaluate the code inside the range syntax in templates

having:

{{ range $i, $v := until (int .Params.BROKER_COUNT) }}
- containerPort: {{ add (int $.Params.EXTERNAL_NODE_PORT) $v}}
  name: node-port-{{ $v }}
{{ end }}

will complain on kubectl kudo package verify with warning

Warnings                                            
parameter "EXTERNAL_NODE_PORT" defined but not used.
package is valid

Using $.Params.EXTERNAL_NODE_PORT outside the range fixes the issue.

What you expected to happen:
package verify to also use the parameters used inside the ranges
How to reproduce it (as minimally and precisely as possible):
KUDO Kafka operator package verify
Anything else we need to know?:
#1255 introduced the ability to verify parameters used through $

Environment:

• Kubernetes version (use kubectl version): 1.17.0
• Kudo version (use kubectl kudo version): 0.11.0
• Operator:
• operatorVersion:
• Cloud provider or hardware configuration:
• OS (e.g. from /etc/os-release):
• Kernel (e.g. uname -a):
• Install tools:
• Others:

[kensipe]

this is a bug on v0.11.1. lets make the fix on master and back port for a v0.11.2 release if needed