feat(deps): Add Nextcloud 31 support

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

appinfo/info.xml

@@ -20,7 +20,7 @@
 * ☑️ Tasks! See tasks with a due date directly in the calendar
 * 🙈 **We’re not reinventing the wheel!** Based on the great [c-dav library](/~https://github.com/nextcloud/cdav-library), [ical.js](/~https://github.com/mozilla-comm/ical.js) and [fullcalendar](/~https://github.com/fullcalendar/fullcalendar) libraries.
 	]]></description>
-	<version>5.0.0-alpha.4</version>
+	<version>6.0.0-dev.0</version>
 	<licence>agpl</licence>
 	<author>Anna Larch</author>
 	<author homepage="/~https://github.com/nextcloud/groupware">Nextcloud Groupware Team</author>
@@ -40,7 +40,7 @@
 	<screenshot>https://raw.githubusercontent.com/nextcloud/calendar/main/screenshots/week_sidebar.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" />
 		<backend>caldav</backend>
 	</dependencies>
 	<background-jobs>

package.json

@@ -1,7 +1,7 @@
 {
   "name": "calendar",
   "description": "A calendar app for Nextcloud. Easily sync events from various devices, share and edit them online.",
-  "version": "5.0.0-alpha.4",
+  "version": "6.0.0-dev.0",
   "author": "Georg Ehrke <oc.list@georgehrke.com>",
   "contributors": [
     "Georg Ehrke <oc.list@georgehrke.com>",