ci: add draft release steps to both workflows

- build-exe.yml: publishes PaperDash.exe to rolling-draft release
- build-apk.yml: publishes app-debug.apk to android-rolling-draft release
- Both use ncipollo/release-action with draft:true and allowUpdates

.gitea/workflows/build-apk.yml

@@ -56,3 +56,15 @@ jobs:
           name: PaperDash-debug.apk
           path: android/app/build/outputs/apk/debug/app-debug.apk
           if-no-files-found: error
+
+      - name: Update Rolling Draft Release
+        uses: ncipollo/release-action@v1
+        with:
+          allowUpdates: true
+          draft: true
+          tag: android-rolling-draft
+          name: "Draft (latest Android build)"
+          body: |
+            Latest PaperDash Android APK build from commit ${{ gitea.sha }}.
+            Edit tag, name, and notes before publishing.
+          artifacts: "android/app/build/outputs/apk/debug/app-debug.apk"