feat: metricsV2 + oTel + prometheus sample and Grafana dashboard #6091

Job	Run time
check_format_and_unit_tests	26s
build / Special integration tests (17)	2m 23s
build / Special integration tests (21)	2m 18s
build / integration_tests (17, 1.31.8) / Integration tests (17, 1.31.8, vertx)	26m 42s
build / Special integration tests (25)	2m 12s
build / integration_tests (21, 1.30.12) / Integration tests (21, 1.30.12, vertx)	25m 37s
build / integration_tests (17, 1.30.12) / Integration tests (17, 1.30.12, vertx)	25m 37s
build / httpclient-tests (jdk) / Integration tests (25, 1.32.0, jdk)	27m 22s
build / integration_tests (25, 1.32.4) / Integration tests (25, 1.32.4, vertx)	26m 24s
build / integration_tests (25, 1.31.8) / Integration tests (25, 1.31.8, vertx)	27m 17s
build / integration_tests (21, 1.31.8) / Integration tests (21, 1.31.8, vertx)	27m 19s
build / integration_tests (17, 1.32.4) / Integration tests (17, 1.32.4, vertx)	25m 2s
build / integration_tests (25, 1.33.1) / Integration tests (25, 1.33.1, vertx)	27m 12s
build / httpclient-tests (jetty) / Integration tests (25, 1.32.0, jetty)	26m 5s
build / httpclient-tests (vertx) / Integration tests (25, 1.32.0, vertx)	26m 1s
build / integration_tests (25, 1.30.12) / Integration tests (25, 1.30.12, vertx)	24m 49s
build / integration_tests (21, 1.33.1) / Integration tests (21, 1.33.1, vertx)	27m 6s
build / integration_tests (17, 1.33.1) / Integration tests (17, 1.33.1, vertx)	26m 6s
build / integration_tests (21, 1.32.4) / Integration tests (21, 1.32.4, vertx)	26m 39s
	6h 42m 37s

Provide feedback