Log Message:
php-nextcloud: Update to 20.0.6

Changelog:
Changes

  * Make sure to do priority app upgrades first (server#25077)
  * Respect DB restrictions on number of arguments in statements and queries
    (server#25120)
  * Add a hint about the direction of priority (server#25143)
  * Do not redirect to logout after login (server#25146)
  * Fix comparison of PHP versions (server#25152)
  * Add "composer.lock" for acceptance tests to git (server#25178)
  * Update CRL due to revoked gravatar.crl (server#25190)
  * Don't log keys on checkSignature (server#25193)
  * Update 3rdparty after Archive_Tar (server#25199)
  * Bump CA bundle (server#25219)
  * Update handling of user credentials (server#25225)
  * Fix encoding issue with OC.Notification.show (server#25244)
  * Also use storage copy when dav copying directories (server#25261)
  * Silence log message (server#25263)
  * Extend ILDAPProvider to allow reading arbitrairy ldap attributes for users
    (server#25276)
  * Do not obtain userFolder of a federated user (server#25278)
  * Bump pear/archive_tar from 1.4.11 to 1.4.12 (3rdparty#603)
  * Add gitignore entry for .github folder of dependencies (3rdparty#604)
  * Clear event array on getting them (activity#551)