Fix copy of libraries

Author: AlbrechtL

.github/workflows/linux.yml

@@ -88,7 +88,7 @@ jobs:
 
           # Dummy run welle in a virtual display to collect graphic libraries with sharun
           xvfb-run -- ./lib4bin -p -v -r -e ./appdir/usr/bin/welle-io
-          cp -r shared/lib/* appdir/usr/lib/x86_64-linux-gnu/
+          cp shared/lib/* appdir/usr/lib/x86_64-linux-gnu/
 
           find appdir/