fix(opentelemetry): support attribute argument in TracerProvider.get_tracer() [backport #9941 to 2.8] #54569

Job	Run time
test_unit (dd-lib-python-init-test-django)	3s
test_unit (dd-lib-python-init-test-django-gunicorn)	4s
test_unit (dd-lib-python-init-test-django-gunicorn-alpine)	6s
test_unit (dd-lib-python-init-test-django-uvicorn)	3s
test_unit (dd-lib-python-init-test-django-no-perms)	3s
test_unit (dd-lib-python-init-test-django-pre-installed)	4s
test_unit (dd-lib-python-init-test-django-unsupported-python)	4s
build-and-publish-test-image / wait_for_package	7s
build-and-publish-test-image / build_push / build_push	7m 33s
test-runner-test	1s
	8m 8s

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