speech-to-text worker sends back some basic technical metadata in the body of the done message it queues

[jmartin-sul]

this is akin to the info we log in the DOR event log about the abbyy version used for text extraction in the ocrWF, see:

• https://github.com/sul-dlss/common-accessioning/blob/ffb7f37ebc6899ca2699097868f1940d8f54b714/lib/dor/text_extraction/abbyy/file_watcher.rb#L85-L86
• https://github.com/sul-dlss/common-accessioning/blob/ffb7f37ebc6899ca2699097868f1940d8f54b714/lib/dor/text_extraction/abbyy/results.rb#L128-L145