feat: Add capability to disable minio deployment in airbyte chart

[aperigault]

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What

Actually it is possible to use an external minio but the internal minio is still deployed.

How

I duplicate the postgresql logical to add the capability to disable minio deployment in minio.enabled key.

Can this PR be safely reverted and rolled back?

• [x] YES 💚
• [ ] NO ❌

[CLAassistant]

All committers have signed the CLA.