editoast: bump opentelemetry-datadog from 0.11.0 to 0.12.0 in /editoast #9938

Job	Run time
build (core-build, core)	28s
check_commits	7s
check_generated_railjson_sync	22s
build (editoast, editoast-test)	8m 41s
check_infra_schema_sync	16s
check_integration_tests	1m 38s
build (gateway-test, gateway-standalone, gateway-front)	1m 27s
build (front-build, front-tests, front-devel, front-nginx)	23s
check_osrd_schema	43s
build (osrdyne, osrdyne-test)	25s
check_railjson_generator	2m 0s
check_toml	5s
Check final newline	50s
check_core	0s
check_editoast_lints	0s
check_editoast_tests	0s
check_front_rtk_sync	0s
check_editoast_openapi	0s
check_front	0s
check_gateway	0s
check_osrdyne	0s
integration_tests	0s
	17m 25s

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