Update slang-llvm (shader-slang#2409)

* #include an absolute path didn't work - because paths were taken to always be relative.

* Update to llvm to version without tinfo requirement.

* Kick because package download failed.

Author: jsmall-zzz

deps/target-deps.json

@@ -4,15 +4,15 @@
         "dependencies" : [
             {
                 "name" : "slang-llvm",
-                "baseUrl" : "https://github.com/shader-slang/slang-llvm/releases/download/v13.x-30/",
+                "baseUrl" : "https://github.com/shader-slang/slang-llvm/releases/download/v13.x-31/",
                 "optional" : true,
                 "packages" : 
                 {
-                    "windows-x86_64" : { "type" : "url", "path" : "slang-llvm-13.x-30-win64.zip" },
-                    "windows-x86" : { "type": "url", "path" : "slang-llvm-13.x-30-win32.zip" },
-                    "linux-x86_64" : { "type": "url", "path" : "slang-llvm-v13.x-30-linux-x86_64-release.zip" },
-                    "macosx-x86_64" : { "type": "url", "path" : "slang-llvm-v13.x-30-macosx-x86_64-release.zip" }
-                }
+                    "windows-x86_64" : { "type" : "url", "path" : "slang-llvm-13.x-31-win64.zip" },
+                    "windows-x86" : { "type": "url", "path" : "slang-llvm-13.x-31-win32.zip" },
+                    "linux-x86_64" : { "type": "url", "path" : "slang-llvm-v13.x-31-linux-x86_64-release.zip" },
+                    "macosx-x86_64" : { "type": "url", "path" : "slang-llvm-v13.x-31-macosx-x86_64-release.zip" }
+                } 
             },
             {
                 "name" : "slang-glslang",