Support for injecting custom environment in the Helm Chart

[barucijah]

What this PR does

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Checklist

• this PR contains documentation
• this PR contains tests
• this PR contains YAML Samples

[barucijah]

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[matthchr]

/ok-to-test sha=efa0fd8

[matthchr]

Thank you for your contribution!

[barucijah]

Hi @matthchr, when can I expect the next release?

[matthchr]

In the next week or so (you have good timing)