Experimental ops file for disabling CF CredHub

[jochenehret]

WHAT is this change about?

New experimental ops file disable-cf-credhub.yml to disable the co-deployed CredHub instances. Can be used together with disable-interpolate-service-bindings.yml.

What customer problem is being addressed? Use customer persona to define the problem e.g. Alana is unable to...

Alana doesn't use CredHub-enabled service brokers and wants to save cost for her CF deployment.

Please provide any contextual information.

#1170

Has a cf-deployment including this change passed cf-acceptance-tests?

• YES
• NO

Ops files will be used for the "experimental" deployment. The CATs configuration will need a change to disable CredHub interpolation tests: https://github.com/cloudfoundry/relint-envs/pull/35

Does this PR introduce a breaking change? Please take a moment to read through the examples before answering the question.

• YES - please choose the category from below. Feel free to provide additional details.
• NO

How should this change be described in cf-deployment release notes?

New ops file disable-cf-credhub.yml is now available, in case you don't use CredHub-enabled service brokers.

Does this PR introduce a new BOSH release into the base cf-deployment.yml manifest or any ops-files?

• YES - please specify
• NO

Does this PR make a change to an experimental or GA'd feature/component?

• experimental feature/component
• GA'd feature/component

Please provide Acceptance Criteria for this change?

The jobs "experimental-deploy" and "experimental-cats" must succeed (I'd like to see "experimental-cats" fail first, however).

What is the level of urgency for publishing this change?

• Urgent - unblocks current or future work
• Slightly Less than Urgent