Meta: Add ffmpeg to vcpkg dependencies

Now that we are using shared libraries, it is possible to add
into our vcpkg dependencies without worrying about LGPL

vcpkg.json

@@ -12,6 +12,22 @@
       "name": "dirent",
       "platform": "windows"
     },
+    {
+      "name": "ffmpeg",
+      "platform": "!android",
+      "features": [
+        "avcodec",
+        "avformat",
+        "dav1d",
+        "openh264",
+        "opus",
+        "webp",
+        "theora",
+        "vorbis",
+        "vpx",
+        "zlib"
+      ]
+    },
     {
       "name": "fontconfig",
       "platform": "linux | freebsd | openbsd | osx | windows"
@@ -97,6 +113,10 @@
       "name": "curl",
       "version": "8.10.1#0"
     },
+    {
+      "name": "ffmpeg",
+      "version": "6.1.1#11"
+    },
     {
       "name": "fontconfig",
       "version": "2.14.2#1"