Bump arkindex-client and transkribus-client
First requires a working release of transkribus-client 0.3.1 :'( https://gitlab.com/arkindex/transkribus/-/jobs/2128799374
Edited by Bastien Abadie
First requires a working release of transkribus-client 0.3.1 :'( https://gitlab.com/arkindex/transkribus/-/jobs/2128799374