Merge pull request #50539 from nextcloud/chore/phpseclib-30

[stable30] Bump phpseclib/phpseclib from 2.0.47 to 2.0.48

Author: susnux

3rdparty

@@ -867,7 +867,6 @@
       <code><![CDATA[encrypt]]></code>
       <code><![CDATA[setIV]]></code>
       <code><![CDATA[setIV]]></code>
-      <code><![CDATA[setKey]]></code>
     </InternalMethod>
     <TooManyArguments>
       <code><![CDATA[test]]></code>