externals: update vcpkg to ef2eef17340f3fbd679327d286fad06dd6e838ed

externals/vcpkg

@@ -1 +1 @@
-Subproject commit cbf56573a987527b39272e88cbdd11389b78c6e4
+Subproject commit ef2eef17340f3fbd679327d286fad06dd6e838ed