Lower requirements for upgrade compatibility.

Author: kiarn

usr/lib/linuxmuster-webui/etc/requirements.txt

@@ -26,7 +26,7 @@ requests
 reconfigure
 scrypt
 setuptools==58.2.0
-simplejson==3.17.0
+simplejson>=3.16.0
 smbprotocol==1.14.0
 unicodecsv==0.14.1
 xmltodict