[jaeger-operator] Adding serviceExtraLable for service

[robinelastisys]

What this PR does

This PR adds a value called 'serviceExtraLabels' to make it possible to add a label to the service you may not want to have in the operator to for example create a 'serviceMonitor' for it.

Which issue this PR fixes

(optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged)

• fixes #

Checklist

• [ ] DCO signed
• [ ] Commits are GPG signed
• [ ] Chart Version bumped
• [x] Title of the PR starts with chart name ([jaeger] or [jaeger-operator])
• [x] README.md has been updated to match version/contain new values

[batazor]

@robinelastisys We also need to bump the version of the chart and sign commits

[robinelastisys]

@robinelastisys We also need to bump the version of the chart and sign commits

@batazor @cpanato Do i need to do anything more than this?

[robinelastisys]

PING! We would be grateful if this could be merged soon enough!

[batazor]

@robinelastisys Please add GPG signed

[robinelastisys]

@robinelastisys Please add GPG signed

Okay, now it should be correct! :+1: