Update UnCiv to 3.18.3 (647)

metadata/com.unciv.app.yml

@@ -2211,9 +2211,24 @@ Builds:
     prebuild: JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64 $$SDK$$/tools/bin/sdkmanager
         'platforms;android-30' 'build-tools;30.0.2' > /dev/null
 
+  - versionName: 3.18.3
+    versionCode: 647
+    commit: 8ddbe3b2b7197d06bba5c71b134112c28577b02e
+    subdir: android
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk
+      - update-alternatives --auto java
+    gradle:
+      - yes
+    rm:
+      - desktop
+    prebuild: JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64 $$SDK$$/tools/bin/sdkmanager
+        'platforms;android-30' 'build-tools;30.0.2' > /dev/null
+
 AutoUpdateMode: Version
 UpdateCheckMode: Tags
 UpdateCheckData: buildSrc/src/main/kotlin/BuildConfig.kt|appCodeNumber = (.*)|.|appVersion
     = "(.*)"
-CurrentVersion: 3.18.2
-CurrentVersionCode: 646
+CurrentVersion: 3.18.3
+CurrentVersionCode: 647