v1.25.0

cafe-applets 1.25.0

• mate-applets 1.24.1 fork
• ci: enable Github Actions
• rename MATE -> CAFE
• port from GTK to CTK
• update AUTHORS
• port from gtksourceview to ctksourceview
• port from libwnck to libvnck
• build: avoid obsolete macros:
  • AC_STDC_HEADERS, AC_HELP_STRING, AC_TRY_COMPILE, AC_TRY_LINK, AM_PROG_LIBTOOL
• build: Fix AC_OUTPUT warning
• po: Makevars: suppress progress indicators
• drive-button: avoid deprecated G_VOLUME_IDENTIFIER_KIND_HAL_UDI
• battstat-upower: avoid deprecated 'up_client_get_devices'
• update translations