Don't forget to change the app version first:
For android, change the version code and version name in android/app/build.gradle
For iOS, change the xml and plist version in ios/Tsukiyo/Info.plist and the MARKETING_VERSION in ios/Tsukiyo.xcodeproj/project.pbxproj
Then, from the root folder:
>>> cd android
>>> ./gradlew assembleRelease
From the root folder:
>>> npx react-native bundle --platform android --dev false --entry-file index.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res
>>> cd android
>>> ./gradlew assembleDebug