Meta: Build QT with vcpkg on FreeBSD

This is a workaround for the fact that on FreeBSD the system icu has
symbol renaming disabled which causes our build to clash with the
expectations of the system QT.

vcpkg.json

@@ -98,6 +98,35 @@
       "platform": "windows"
     },
     "openssl",
+    {
+      "name": "qtbase",
+      "platform": "freebsd",
+      "default-features": false,
+      "features": [
+        "doubleconversion",
+        "fontconfig",
+        "freetype",
+        "gui",
+        "icu",
+        "jpeg",
+        "network",
+        "opengl",
+        "pcre2",
+        "png",
+        "thread",
+        "vulkan",
+        "widgets",
+        "xcb",
+        "xcb-xlib",
+        "xlib",
+        "xrender",
+        "zstd"
+      ]
+    },
+    {
+      "name": "qtmultimedia",
+      "platform": "freebsd"
+    },
     {
       "name": "pthread",
       "platform": "windows"
@@ -212,6 +241,14 @@
       "name": "openssl",
       "version": "3.5.0#1"
     },
+    {
+      "name": "qtbase",
+      "version": "6.8.3#2"
+    },
+    {
+      "name": "qtmultimedia",
+      "version": "6.8.3#0"
+    },
     {
       "name": "simdutf",
       "version": "7.3.0#0"