add use_all_labels_as_dimensions flag to prometheus exporter config

Author: TravisStark

translator/translate/otel/exporter/awsemf/awsemf_default_prometheus.yaml

@@ -4,4 +4,5 @@ resource_to_telemetry_conversion:
 detailed_metrics: false
 dimension_rollup_option: NoDimensionRollup
 version: "0"
-retain_initial_value_of_delta_metric: false
+retain_initial_value_of_delta_metric: false
+use_all_labels_as_dimensions: true