bump debhelper to 12 (available in buster main)

Author: SebKuzminsky

debian/configure

@@ -86,8 +86,8 @@ PYTHON_IMAGING=python3-pil
 PYTHON_IMAGING_TK=python3-pil.imagetk
 QTVCP_DEPENDS="python3-pyqt5,\n    python3-pyqt5.qsci,\n    python3-pyqt5.qtsvg,\n    python3-pyqt5.qtopengl,\n    python3-opencv,\n    python3-dbus,python3-espeak,\n    python3-dbus.mainloop.pyqt5,\n    python3-pyqt5.qtwebkit,\n    espeak-ng,\n    pyqt5-dev-tools,\n    gstreamer1.0-tools,espeak,\n    sound-theme-freedesktop"
 YAPPS_RUNTIME="python3-yapps"
-DEBHELPER="debhelper (>= 9)"
-COMPAT="9"
+DEBHELPER="debhelper (>= 12)"
+COMPAT="12"
 
 case $DISTRIB_NAME in
     Ubuntu-21.*|Debian-11|Debian-11.*|Debian-testing|Debian-unstable)