fix deps. for FreeBSD

Author: alex-w

.github/workflows/ci.yml

@@ -258,7 +258,7 @@ jobs:
         prepare: |
           pkg install -y cmake git eigen glm exiv2 nlopt fast_float md4c qxlsx perl5 xorg-vfbserver gettext qt5-charts qt5-concurrent qt5-core \
                          qt5-gui qt5-network qt5-opengl qt5-widgets qt5-multimedia qt5-buildtools qt5-qmake qt5-script qt5-testlib \
-                         qt5-linguisttools qt5-positioning
+                         qt5-linguisttools qt5-webengine
 
         run: |
           set -e -x