fixing apt package name

Author: benthevining

.github/workflows/build.yml

@@ -42,7 +42,7 @@ jobs:
           libxinerama-dev libxrandr-dev libxrender-dev \
           libwebkit2gtk-4.0-dev \
           libglu1-mesa-dev mesa-common-dev \
-          libgtk-3-dev webkit2gtk-4.0
+          libgtk-3-dev libwebkit2gtk-4.0-dev
 
       - name: Install pluginval
         id: pluginval