feat(deps): Add Nextcloud 31 support

Signed-off-by: Joas Schilling <coding@schilljs.com>

appinfo/info.xml

@@ -34,7 +34,7 @@ The rating depends on the installed text processing backend. See [the rating ove
 
 Learn more about the Nextcloud Ethical AI Rating [in our blog](https://nextcloud.com/blog/nextcloud-ethical-ai-rating/).
 	]]></description>
-	<version>4.0.0-alpha.3</version>
+	<version>5.0.0-dev.0</version>
 	<licence>agpl</licence>
 	<author>Christoph Wurst</author>
 	<author homepage="https://github.com/nextcloud/groupware">Nextcloud Groupware Team</author>
@@ -52,7 +52,7 @@ Learn more about the Nextcloud Ethical AI Rating [in our blog](https://nextcloud
 	<screenshot>https://user-images.githubusercontent.com/12728974/266270227-86b99bbb-03ea-468b-8408-e248e1730bed.png</screenshot>
 	<dependencies>
 		<php min-version="8.1" max-version="8.3" />
-		<nextcloud min-version="30" max-version="30" />
+		<nextcloud min-version="31" max-version="31" />
 	</dependencies>
 	<background-jobs>
 		<job>OCA\Mail\BackgroundJob\CleanupJob</job>

package.json

@@ -1,7 +1,7 @@
 {
   "name": "nextcloud-mail",
   "description": "Nextcloud Mail",
-  "version": "4.0.0-alpha-2",
+  "version": "5.0.0-dev.0",
   "author": "Christoph Wurst <christoph@winzerhof-wurst.at>",
   "license": "agpl",
   "private": true,