Updated UIAutomator2 driver to version 4.2.7

Author: budtmo

Appium/Dockerfile

@@ -147,7 +147,7 @@ ENV APPIUM_DRIVER_ESPRESSO_VERSION="4.1.15"
 ENV APPIUM_DRIVER_FLUTTER_VERSION="2.18.1"
 ENV APPIUM_DRIVER_FLUTTER_INTEGRATION_VERSION="1.2.0"
 ENV APPIUM_DRIVER_GECKO_VERSION="1.4.3"
-ENV APPIUM_DRIVER_UIAUTOMATOR2_VERSION="4.2.3"
+ENV APPIUM_DRIVER_UIAUTOMATOR2_VERSION="4.2.7"
 RUN appium driver install --source=npm appium-espresso-driver@${APPIUM_DRIVER_ESPRESSO_VERSION} && \
     appium driver install --source=npm appium-flutter-driver@${APPIUM_DRIVER_FLUTTER_VERSION} && \
     appium driver install --source=npm appium-flutter-integration-driver@${APPIUM_DRIVER_FLUTTER_INTEGRATION_VERSION} && \