Bump version to run migrations after rebase from master

Signed-off-by: Vitor Mattos <[email protected]>

Author: nickvergessen

appinfo/info.xml

@@ -16,7 +16,7 @@ And in the works for the [coming versions](https://github.com/nextcloud/spreed/m
 
 	]]></description>
 
-	<version>18.0.0-dev.1</version>
+	<version>18.0.0-dev.2</version>
 	<licence>agpl</licence>
 
 	<author>Daniel Calviño Sánchez</author>