add "services" as part of resources used in this role

[ribert]

What this PR does / why we need it

Currently, simple install without too much editing requires services in order to work. Adding that to role-timescaledb

Which issue this PR fixes

• fixes TimescaleDB Single ServiceAccount missing create:service permission #599
• fixes Error when upgrade from 0.13.1 to latest version #554

Special notes for your reviewer

Checklist

• Chart Version bumped
• CLA signed

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All committers have signed the CLA.

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[tony-engineering]

Hello, I think many people are interested into having the chart working by default. Could any of the main contributors help here to have this PR merged ? Thank you :)
@paulfantom @feikesteenbergen

[paretl]

Hello, I would love to have this fix available (and many people do). Is that possible to review it please?
Thanks @ribert!