Use system cairo instead of vcpkg port

dependencies/vcpkg_overlay_ports_linux/cairo/portfile.cmake

@@ -0,0 +1 @@
+set(VCPKG_POLICY_EMPTY_PACKAGE enabled)

dependencies/vcpkg_overlay_ports_linux/cairo/vcpkg.json

@@ -0,0 +1,8 @@
+{
+  "name": "cairo",
+  "version": "1.17.8",
+  "description": "Cairo is a 2D graphics library with support for multiple output devices. Currently supported output targets include the X Window System (via both Xlib and XCB), Quartz, Win32, image buffers, PostScript, PDF, and SVG file output. Experimental backends include OpenGL, BeOS, OS/2, and DirectFB.",
+  "homepage": "https://cairographics.org",
+  "license": "MPL-1.1",
+  "port-version": 2
+}