Security and bugfix errata for Univention products

• UCS 4.4
• UCS 4.3 (out of maintenance)
• UCS 4.2 (out of maintenance)
• UCS 4.1 (out of maintenance)
• UCS 4.0 (out of maintenance)
• UCS 3.3 (out of maintenance)
• UCS 3.2 (out of maintenance)

• UCC 3.0
• UCC 2.1 (out of maintenance)
• UCC 2.0 (out of maintenance)
• UCC 1.0 (out of maintenance)