fix: setting version code via fastlane plugin

Gemfile

@@ -1,3 +1,4 @@
 source "https://rubygems.org"
 
-gem "fastlane"
+gem "fastlane"
+gem "fastlane-plugin-versioning_android"

static/fastlane-android/Fastfile

@@ -45,10 +45,17 @@ platform :android do
       )
     end
     current_version_code = version_code_candidates.compact.max
+    puts "Version code chosen for build lane: %d" % [current_version_code + 1] 
   end
 
   lane :build do
     fetch_highest_version_code
+    android_set_version_name(
+      version_name: package_json["version"],
+    )
+    android_set_version_code(
+      version_code: current_version_code + 1,
+    )
     gradle(
       task: "clean assemble",
       build_type: "Release",
@@ -57,16 +64,14 @@ platform :android do
         "android.injected.signing.store.file" => keystorePath.to_s,
         "android.injected.signing.store.password" => ENV['ANDROID_KEYSTORE_PASSWORD'],
         "android.injected.signing.key.alias" => ENV['ANDROID_KEYSTORE_KEY_ALIAS'],
-        "android.injected.signing.key.password" => ENV['ANDROID_KEYSTORE_KEY_PASSWORD'],
-        "android.injected.version.code" => current_version_code + 1,
-        "android.injected.version.name" => package_json['version']
+        "android.injected.signing.key.password" => ENV['ANDROID_KEYSTORE_KEY_PASSWORD']
       }
     )
   end
 
-  desc "Submit a new beta build to internal testing track"
+  desc "Submit a new beta build to open beta testing track"
   lane :beta do
-    playstore_track = "internal"
+    playstore_track = "beta"
 
     build
     upload_to_play_store(