Add boot42-otel module: Spring Boot 4.2.0-RC1 OpenTelemetry conventions, shared OTLP settings and MDC keys vs 4.1.2

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2026-10-22 18:37:10 +00:00
parent 917d39fb65
commit 8252cba4c5
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# 06-prometheus-names (Spring Boot 4.2.0-RC1, JDK 25)
== management.observations.conventions=micrometer
http_server_requests_seconds_count
http_server_requests_seconds_max
http_server_requests_seconds_sum
sample: http_server_requests_seconds_count{error="none",exception="none",method="GET",outcome="SUCCESS",status="200",uri="/hello/{name}"}
== management.observations.conventions=opentelemetry
http_server_request_duration_seconds_count
http_server_request_duration_seconds_max
http_server_request_duration_seconds_sum
sample: http_server_request_duration_seconds_count{error="none",error_type="none",http_request_method="GET",http_response_status_code="200",http_route="/hello/{name}",outcome="SUCCESS",url_scheme="http"}