[pkg] update controls qml package

debian/changelog

-riseup-vpn (0.21.6) groovy; urgency=medium
+riseup-vpn (0.21.6~focal+5) focal; urgency=medium
 
   * Release 0.21.6
 

debian/control

@@ -14,7 +14,7 @@ Architecture: any
 Enhances: openvpn
 Depends: ${misc:Depends}, libqt5core5a, libqt5gui5 | libqt5gui5-gles,
         libqt5qml5, libqt5widgets5, libstdc++6,
-        qml-module-qtquick2, qml-module-qtquick-controls, qml-module-qtquick-dialogs,
+        qml-module-qtquick2, qml-module-qtquick-controls2, qml-module-qtquick-dialogs,
         qml-module-qtquick-extras, qml-module-qt-labs-platform,
         openvpn, policykit-1-gnome | polkit-1-auth-agent, python3
 Description: Easy, fast, and secure VPN service from riseup.net.