Backport of Refine server TLS Vault PKI role config in acceptance tests into release/1.0.x

[thisisnotashwin]

Backport

This PR is auto-generated from #1877 to be assessed for backporting due to the inclusion of the label backport/1.0.x.

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

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The generate_lease=true configuration is unnecessary and generates a note about performance implications in Vault logs. Remove this configuration from the acceptance tests so that the default value of generate_lease=false is used instead.

A follow on PR will update the public Consul docs to reflect this change in recommendation.

How I've tested this PR:

• I'm relying on the existing k8s acceptance tests to ensure the integration still works

Checklist:

• Tests added: No - relying on existing tests
• CHANGELOG entry added: Seems unnecessary since this only affects the acceptance tests, not consul k8s itself

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Overview of commits

• ef500b3