Bump version to 2.3.6-beta and update fastlane metadata

fastlane/metadata/android/cs-CZ/full_description.txt

fastlane/metadata/android/da-DK/full_description.txt

fastlane/metadata/android/de-DE/full_description.txt

fastlane/metadata/android/el-GR/full_description.txt

fastlane/metadata/android/el-GR/short_description.txt

fastlane/metadata/android/en-US/changelogs/86.txt

fastlane/metadata/android/fi-FI/full_description.txt

fastlane/metadata/android/fr-FR/full_description.txt

fastlane/metadata/android/he-IL/full_description.txt

fastlane/metadata/android/hu-HU/full_description.txt

fastlane/metadata/android/it-IT/full_description.txt

fastlane/metadata/android/ja-JP/full_description.txt

fastlane/metadata/android/nl-NL/full_description.txt

fastlane/metadata/android/no-NO/full_description.txt

fastlane/metadata/android/pt-BR/full_description.txt

fastlane/metadata/android/ro-RO/full_description.txt

fastlane/metadata/android/ru-RU/full_description.txt

fastlane/metadata/android/sv-SE/full_description.txt

fastlane/metadata/android/zh-CN/full_description.txt

mobile/build.gradle