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

Author: kbenzie

sycl/cmake/modules/FetchUnifiedRuntime.cmake

@@ -116,14 +116,8 @@ 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")
-  # commit b79ebe4e98789144bcdf3832088eb6e6b5ae6967
-  # Merge: 7b4bc761 fbb6e862
-  # Author: Kenneth Benzie (Benie) <[email protected]>
-  # Date:   Fri Oct 4 16:39:59 2024 +0100
-  #     Merge pull request #2018 from wenju-he/L0-bindless-image-device-query
-  #     [L0] Fix device query of bindless image support
-  set(UNIFIED_RUNTIME_TAG b79ebe4e98789144bcdf3832088eb6e6b5ae6967)
+  set(UNIFIED_RUNTIME_REPO "https://github.com/kbenzie/unified-runtime.git")
+  set(UNIFIED_RUNTIME_TAG 52f8ebf526a2303b2090fb409e69a86383030960)
 
   set(UMF_BUILD_EXAMPLES OFF CACHE INTERNAL "EXAMPLES")
   # Due to the use of dependentloadflag and no installer for UMF and hwloc we need