tracing-subscriber 0.3.6

This release adds configuration options to tracing_subscriber::fmt to log
source code locations for events.

Added

• fmt: Added with_file and with_line_number
  configuration methods to fmt::Format, fmt::SubscriberBuilder, and
  fmt::Layer (#1773)

Fixed

• fmt: Removed incorrect leading comma from span fields with the Pretty
  formatter (#1833)

Deprecated

• fmt: Deprecated Pretty::with_source_location, as it can now be replaced
  by the more general Format, SubscriberBuilder, and Layer methods
  (#1773)

Thanks to new contributor @renecouto for contributing to this release!