A Perl implementation of the OpenTelemetry standard

Changes for 0.014 - 2023-11-09T00:01:05+00:00

• Add missing documentation for the 'record_exception' method for spans
• OpenTelemetry:🤐 errors print stack traces when stringified
• Improve the reporting of errors caught in calls to 'in_span' in OpenTelementry::Trace
• Minor documentation fixes throughout