This update for nextcloud fixes the following issues:

- nextcloud was upgraded to version 20.0.7
   - CVE-2020-8294: Fixed a missing link validation (boo#1181803)
   - CVE-2020-8295: Fixed a denial of service attack (boo#1181804)
   - CVE-2020-8293: Fixed an input validation issue (boo#1181445)

This update was imported from the openSUSE:Leap:15.2:Update update project.