Log Message:
extra-cmake-modules: update to 5.70.0

5.67
  Add missing Import Env Variable
  ECMAddAppIcon: Add sc in regex to extract extension from valid names
  ECMAddQch: support & document K_DOXYGEN macro usage
5.68
  Support NDK r20 and Qt 5.14
  Load QM files from assets: URLs on Android
  Add ecm_qt_install_logging_categories & ecm_qt_export_logging_category
  ECMGeneratePriFile: unbreak for usages with LIB_NAME not a target name
  ECMGeneratePriFile: Fix static configurations
5.70
  android: include the architecture on the apk name
  ECMAddQch: fix use of quotation marks with PREDEFINED in doxygen config
  Adapt FindKF5 to stricter checks in newer find_package_handle_standard_args
  ECMAddQch: help doxygen to handle Q_DECLARE_FLAGS, so such types get docs
  Fix wayland scanner warnings
  ECM: attempt to fix KDEInstallDirsTest.relative_or_absolute on Windows