Merge branch 'fix-binary-build' into 'master'

Fix binary build with recent nuitka update

See merge request !1476

Dockerfile.binary

@@ -56,7 +56,7 @@ RUN python -m nuitka \
       --include-package=ponos \
       --include-package=transkribus \
       --show-progress \
-      --lto \
+      --lto=yes \
       --output-dir=/build \
       arkindex/manage.py