[UR] Raise MSVC warning level from /W3 to /W4

oneapi-src/unified-runtime#2342

Author: kbenzie

sycl/cmake/modules/FetchUnifiedRuntime.cmake

@@ -116,7 +116,7 @@ if(SYCL_UR_USE_FETCH_CONTENT)
       CACHE PATH "Path to external '${name}' adapter source dir" FORCE)
   endfunction()
 
-  set(UNIFIED_RUNTIME_REPO "https://github.com/oneapi-src/unified-runtime.git")
+  set(UNIFIED_RUNTIME_REPO "https://github.com/kbenzie/unified-runtime.git")
   include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/UnifiedRuntimeTag.cmake)
 
   set(UMF_BUILD_EXAMPLES OFF CACHE INTERNAL "EXAMPLES")

sycl/cmake/modules/UnifiedRuntimeTag.cmake

@@ -1,7 +1 @@
-# commit 9937d029c7fdcbf101e89f8515f640c145e059c5
-# Merge: 9ac6d5d9 10b0e101
-# Author: Callum Fare <[email protected]>
-# Date:   Wed Nov 20 14:49:17 2024 +0000
-#     Merge pull request #2258 from aarongreig/aaron/tryUseExtensionSubgroupInfo
-#     Use extension version of clGetKernelSubGroupInfo when necessary.
-set(UNIFIED_RUNTIME_TAG 9937d029c7fdcbf101e89f8515f640c145e059c5)
+set(UNIFIED_RUNTIME_TAG e2142456654ceb5dd557c087d81c7254fc0a5b22)