Add support for AGENT_INJECT_VAULT_CACERT_BYTES

[LS80]

Is your feature request related to a problem? Please describe.
Allow setting AGENT_INJECT_VAULT_CACERT_BYTES.

Describe the solution you'd like
A new value under injector.

Describe alternatives you've considered
injector.extraEnvironmentVars

Additional context
hashicorp/vault-k8s#507.

[barth12]

Hello, it would be great to be able to set it in Helm values. Meanwhile, is there a workaround to set it via Helm?

[LukasdeBoer]

Yes, you can do this:

injector:
  extraEnvironmentVars:
    AGENT_INJECT_VAULT_CACERT_BYTES: ""

It supports either raw PEM or base64 encoded PEM.