FIX: Workaround in `make jar` for Debian bug in Maven.

Summary

Necessary after https://gitlab.indiscale.com/caosdb/src/caosdb-deploy/-/issues/355. Insert a meaningful description for this merge request here: What is the new/changed behavior? Which bug has been fixed? Are there related issues?

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Test Environment

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src/doc/conf.py

@@ -26,9 +26,9 @@ copyright = '2023, IndiScale GmbH'
 author = 'Daniel Hornung, Timm Fitschen'
 
 # The short X.Y version
-version = '0.12.2'
+version = '0.12.3'
 # The full version, including alpha/beta/rc tags
-release = '0.12.2'
+release = '0.12.3'
 
 
 # -- General configuration ---------------------------------------------------