DSL: Renamed parameter statistic_type_name to statistic for DSL signals fs_consensus, fs_metric,
fs_revisions, va_consensus, va_metric, and va_revisions.
DSL: Added statistic types up (number of broker estimates revised upwards) and down
(number of broker estimates revised downwards) to DSL signals fs_consensus andfs_revisions.
DSL: Parameter statistic_type_name for DSL signals fs_consensus, fs_metric, fs_revisions, va_consensus,
va_metric, and fs_revisions will be removed after 2024-07-31.
DSL: Statistic types high and low for DSL signals fs_consensus, fs_metric, and fs_revisions
will be removed after 2024-07-31.