Update CEF patch

Fixes support for ALIAS targets with CMake < 3.18.

src/CMakeModules/patches/cef117.patch

@@ -72,13 +72,15 @@
 +set(CEF_INSTALL_CMAKEDIR ${CMAKE_INSTALL_LIBDIR}/cmake/CEF${VERSION})
 --- /dev/null
 +++ b/libcef_dll/CEFConfig.cmake
-@@ -0,0 +1,2 @@
+@@ -0,0 +1,4 @@
 +include("${CMAKE_CURRENT_LIST_DIR}/CEFTargets.cmake")
-+add_library(CEF::CEF ALIAS CEF::libcef_dll_wrapper)
++
++add_library(CEF::CEF INTERFACE IMPORTED)
++target_link_libraries(CEF::CEF INTERFACE CEF::libcef_dll_wrapper)
 --- a/libcef_dll/CMakeLists.txt
 +++ b/libcef_dll/CMakeLists.txt
 @@ -782,3 +782,34 @@ target_compile_definitions(${CEF_TARGET}
- 
+
  # Remove the default "lib" prefix from the resulting library.
  set_target_properties(${CEF_TARGET} PROPERTIES PREFIX "")
 +