Update Nextcloud to 20250915 (20250915)

metadata/com.nextcloud.android.beta.yml

@@ -15639,9 +15639,25 @@ Builds:
     scandelete:
       - app/src/androidTest/assets
 
+  - versionName: '20250915'
+    versionCode: 20250915
+    commit: fea40893ba49934d7ca83c943a0348e207a8a546
+    subdir: app
+    gradle:
+      - versionDev
+    rm:
+      - user_manual
+    prebuild:
+      - mkdir -p $HOME/.gradle
+      - echo "org.gradle.jvmargs=-Xmx9g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError"
+        > $HOME/.gradle/gradle.properties
+      - sed -i -e 's/8.13.0/8.11.1/' ../build.gradle
+    scandelete:
+      - app/src/androidTest/assets
+
 MaintainerNotes: Tags get removed. See https://github.com/nextcloud/android/issues/969.
 
 AutoUpdateMode: Version
 UpdateCheckMode: Tags ^dev
-CurrentVersion: '20250914'
-CurrentVersionCode: 20250914
+CurrentVersion: '20250915'
+CurrentVersionCode: 20250915