chore(version): Bump dev version to trigger database migration

Signed-off-by: Julius Härtl <jus@bitgrid.net>

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.
 
-$OC_Version = [26, 0, 0, 1];
+$OC_Version = [26, 0, 0, 2];
 
 // The human readable string
 $OC_VersionString = '26.0.0 dev';