Backport of [NET-10247] Add Partition and Namespace blocks to external registration acl role/policy into release/1.5.x

[hc-github-team-consul-core]

Backport

This PR is auto-generated from #4153 to be assessed for backporting due to the inclusion of the label backport/1.5.x.

🚨

Warning automatic cherry-pick of commits failed. If the first commit failed,
you will see a blank no-op commit below. If at least one commit succeeded, you
will see the cherry-picked commits up to, not including, the commit where
the merge conflict occurred.

The person who merged in the original PR is:
@jm96441n
This person should manually cherry-pick the original PR into a new backport PR,
and close this one when the manual backport PR is merged in.

merge conflict error: unable to process merge commit: "a17874dfef83ccb83f2b4112083bd20a7ac9fb7b", automatic backport requires rebase workflow

The below text is copied from the body of the original PR.

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NOTE: Dependent on hashicorp/consul#21382

Changes proposed in this PR

• Add Partition and Namespace blocks to external registration acl role/policy
• Make address field optional in the CRD like it is for catalog registraton
• update license headers

How I've tested this PR

• run the start.sh script in the following gist (ensure you have a local build of this branch and of the changes in the linked consul PR in consul-enterprise and have a valid consul license in an env variable named CONSUL_LICENSE
• shell into the bender service and run apk add curl
• run curl zoidberg.virtual.consul and see the request go through
• check the consul connect injector logs to see there are no errors
• view the zoidberg-write-policy to see the namespace block applied

How I expect reviewers to test this PR

Checklist

• Tests added
• CHANGELOG entry added

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Overview of commits

• 70a1c84 - ca38437 - a17874d - a86c004