Merge pull request #29626 from nextcloud/version/21.0.6/final

21.0.6

version.php

@@ -30,7 +30,7 @@
 // between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel
 // when updating major/minor version number.
 
-$OC_Version = [21, 0, 6, 0];
+$OC_Version = [21, 0, 6, 1];
 
 // The human readable string
 $OC_VersionString = '21.0.6';