Update LXQt build dependencies.

debian/changelog

@@ -2,6 +2,7 @@ qterminal (0.15.0-0ubuntu1) UNRELEASED; urgency=medium
 
   * New upstream release.
     - Update upstream signing key.
+    - Update LXQt build dependencies.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Fri, 01 May 2020 00:28:19 -0500
 

debian/control

@@ -8,10 +8,10 @@ Build-Depends: debhelper (>= 12),
                libkf5windowsystem-dev,
                libqt5svg5-dev,
                libqt5x11extras5-dev,
-               libqtermwidget5-0-dev (>= 0.14.0),
+               libqtermwidget5-0-dev (>= 0.15.0),
                libutf8proc-dev,
                libx11-dev,
-               lxqt-build-tools (>= 0.6.0)
+               lxqt-build-tools (>= 0.7.0)
 Standards-Version: 4.3.0
 Vcs-Browser: https://phab.lubuntu.me/source/qterminal/
 Vcs-Git: https://phab.lubuntu.me/source/qterminal.git