ditto : Merge branch 'ms-to-seconds-histogram' into 'main'

fix(dbQueryTimeHistogram): change name to milliseconds ms instead of seconds

See merge request soapbox-pub/ditto!401

https://github.com/soapbox-pub/ditto/commit/bdd3b2224e5a0935f26d34aae3bc4b0b7b3af8c4