Update Slang->2025.1 (#148)

Author: ccummingsNV

external/CMakeLists.txt

@@ -55,7 +55,7 @@ set(SGL_LOCAL_SLANG OFF CACHE BOOL "Use a local build of slang instead of downlo
 set(SGL_LOCAL_SLANG_DIR "${CMAKE_SOURCE_DIR}/../slang" CACHE PATH "Path to a local slang build")
 set(SGL_LOCAL_SLANG_BUILD_DIR "build/Debug" CACHE STRING "Build directory of the local slang build")
 
-set(SLANG_VERSION "2024.17")
+set(SLANG_VERSION "2025.1")
 set(SLANG_URL_BASE "https://github.com/shader-slang/slang/releases/download/v${SLANG_VERSION}")
 
 if(SGL_WINDOWS)