[otel-integration] add otel-integration version header #376
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Description
Adding a new global field that will have otel-integration version and then passes it via header. We will need to maintain Chart.yaml with this global value.
In helm it looks like it is not possible to pass the parent chart version. {{Chart.Version}} always renders subchart version. I tried to hack around it with tpl and other ways but didnt find a solution.
Also added a CI job to verify that this value matches the Chart.yaml. Example CI failure -> https://github.com/coralogix/telemetry-shippers/actions/runs/8108799144/job/22162697146?pr=376
Fixes ES-212
How Has This Been Tested?
Checklist: