[refactor] OpenTelemetry Demo 1.11.0 updates

[bpschmitt]

Changes

• Pulled latest 1.11.0 updates from upstream
• Updated Docker install instructions, standardized NR env vars, and tested
• Updated K8s install instructions, values file, and tested
• Added labels to Prometheus Exporter values files for Prometheus Agent service discovery
• Reverted recommendationservice to the default OTel version
• Added instructions for enabling the NR-instrumented recommendationService and associated values file
• Added default flagd.json override values file (enables the productcatalogfailure)

To-Do

• Add option for enabling the NR-instrumented recommendationService to Docker instructions and config

[CLAassistant]

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3 out of 13 committers have signed the CLA.

✅ rogercoll
✅ bpschmitt
✅ lazyplatypus
❌ zzh8829
❌ Mpdreamz
❌ julianocosta89
❌ puckpuck
❌ flands
❌ SvenKirschbaum
❌ Kielek
❌ austinlparker
❌ beeme1mr
❌ RassK
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