Update Azure AppInsights otel example 0.123.0

[fabistb]

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Description

Update the application insights otel collector application insights example to otel collector version 0.123.0

Issue reference

#4614

[alicejgibbons]

@fabistb I ended up testing your PR with App insights and figured we should use OTLP instead of Zipkin here since it is recommended. I migrated your changes to this PR: #4660. Mind closing this one and reviewing mine?

[fabistb]

@fabistb I ended up testing your PR with App insights and figured we should use OTLP instead of Zipkin here since it is recommended. I migrated your changes to this PR: #4660. Mind closing this one and reviewing mine?

Great. I will close this PR and check #4660 .