Fix appinfo dist file

Signed-off-by: Christian Wolf <github@christianwolf.email>

.github/actions/deploy/appinfo/info.xml.dist

@@ -20,7 +20,7 @@
     <screenshot>https://raw.githubusercontent.com/nextcloud/cookbook/stable/img/screenshot2.png</screenshot>
     <dependencies>
         <php min-version="7.4"/>
-        <nextcloud min-version="25" max-version="25"/>
+        <nextcloud min-version="25" max-version="26"/>
     </dependencies>
     <navigations>
         <navigation>