v2.38.0

Fixed:

• ocrd zip: Properly respect Ocrd-Mets, #899
• ocrd workspace merge: missing arguments, #896
• ocrd resmgr download: Support dynamic discovery, #901

Added:

• Processors support profiling with --profile and --profile-file, #878, bertsky#4

Removed:

• ocrd zip: remove support for obsolete Ocrd-Manifestation-Depth, #902, OCR-D/spec#182