[SYCL][UR] Update Unified Runtime to v0.7 (#10664)

This updates the Unified Runtime FetchContent to the v0.7 tag.

Author: kbenzie

sycl/plugins/unified_runtime/CMakeLists.txt

@@ -4,7 +4,7 @@ if (NOT DEFINED UNIFIED_RUNTIME_LIBRARY OR NOT DEFINED UNIFIED_RUNTIME_INCLUDE_D
   include(FetchContent)
 
   set(UNIFIED_RUNTIME_REPO "https://github.com/oneapi-src/unified-runtime.git")
-  set(UNIFIED_RUNTIME_TAG 5513ee2f96c4a56b0ae1c1de307505b2f83984ca)
+  set(UNIFIED_RUNTIME_TAG v0.7)
 
   message(STATUS "Will fetch Unified Runtime from ${UNIFIED_RUNTIME_REPO}")
   FetchContent_Declare(unified-runtime

sycl/plugins/unified_runtime/ur/adapters/level_zero/platform.cpp

@@ -185,7 +185,7 @@ UR_APIEXPORT ur_result_t UR_APICALL urPlatformGetApiVersion(
     ur_api_version_t *Version    ///< [out] api version
 ) {
   std::ignore = Driver;
-  *Version = UR_API_VERSION_0_6;
+  *Version = UR_API_VERSION_CURRENT;
   return UR_RESULT_SUCCESS;
 }