Update Mill to 2.0.20 (3205)

metadata/com.calcitem.sanmill.yml

@@ -1799,6 +1799,35 @@ Builds:
       - $$flutter$$/bin/flutter build apk --flavor fdroid --release
     ndk: r21e
 
+  - versionName: 2.0.20
+    versionCode: 3205
+    commit: 718ffa48bcf58b62b2c120358087c941cff063b4
+    subdir: src/ui/flutter_app
+    output: build/app/outputs/flutter-apk/app-fdroid-release.apk
+    srclibs:
+      - flutter@3.3.10
+    rm:
+      - ci
+      - src/perfect
+      - src/test
+      - src/ui/flutter_app/ios
+      - src/ui/flutter_app/windows
+      - src/ui/flutter_app/test
+      - src/ui/qt
+      - tests
+    prebuild:
+      - mv android/app/build.gradle_fdroid android/app/build.gradle
+      - export PUB_CACHE=$(pwd)/.pub-cache
+      - export PATH=$$flutter$$/bin:$PATH
+      - cd ../../..
+      - ./flutter-init.sh
+    scandelete:
+      - src/ui/flutter_app/.pub-cache
+    build:
+      - export PUB_CACHE=$(pwd)/.pub-cache
+      - $$flutter$$/bin/flutter build apk --flavor fdroid --release
+    ndk: r21e
+
 MaintainerNotes: |-
     Builds will fail when the srclib ref of flutter and the version with which
     upstream has been built with differ.
@@ -1807,5 +1836,5 @@ MaintainerNotes: |-
 AutoUpdateMode: Version
 UpdateCheckMode: Tags ^v.*$
 UpdateCheckData: src/ui/flutter_app/pubspec.yaml|version:\s.+\+(\d+)|.|version:\s(.+)\+
-CurrentVersion: 2.0.19
-CurrentVersionCode: 3202
+CurrentVersion: 2.0.20
+CurrentVersionCode: 3205