chore: simplify fastlane config and release workflows

android/fastlane/Fastfile

@@ -15,24 +15,8 @@
 
 default_platform(:android)
 
-def write_android_changelog
-  require 'yaml'
-  pubspec_path = File.expand_path('../../pubspec.yaml', __dir__)
-  pubspec = YAML.load_file(pubspec_path)
-  version = pubspec['version']
-  semver, build = version.split('+', 2)
-  tag = "v#{semver}"
-  link = "https://github.com/cogwheel0/conduit/releases/tag/#{tag}"
-
-  changelog_dir = File.expand_path('metadata/android/en-US/changelogs', __dir__)
-  Dir.mkdir(changelog_dir) unless Dir.exist?(changelog_dir)
-  changelog_file = File.join(changelog_dir, "#{build}.txt")
-  File.write(changelog_file, link + "\n")
-end
-
 desc "Push a new release build to the Google Play"
   lane :release do
-    write_android_changelog
     upload_to_play_store(
       json_key: ENV['FASTLANE_JSON_KEY_PATH'],
       track: 'production',

android/fastlane/metadata/android/en-US/changelogs/35.txt

@@ -0,0 +1 @@
+https://github.com/cogwheel0/conduit/releases/tag/v2.1.10