Connect: provision custom serviceAccount

[at-platform24]

similart to the operator.

[github-actions]

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[volodymyrZotov]

Resolves #249

[at-platform24]

@volodymyrZotov ,

I have incorporated your suggestions, and given a dry-run.

I am not very clear with the roles which might be needed by connect/ operator. May you please take over that part and adjust the chart suitably?
Also, not sure how the chart version numbering should be handled.

Please feel free to make any other required change as well.