v3.4.0

Added:

• make test-cuda-{torch,tf2,tf1}: ensure CUDA is available and shapely#1598 does not trigger, #1326
• ocrd ocrd-tool dump-module-dirs to dump moduledir of every tool in an ocrd-tool.json, #1326

Fixed:

• ocrd workspace find --undo-download: Unset local_filename only after unlinking, #1324, #1325
• METS Server: do not convert None to the string "None", #1324, #1325

Changed:

• Ensure logging files and directories are writeable for non-root users, #1214