[SYCL][UR] Bump UR tag to 2fea679 (#15350)

Pull in fix from oneapi-src/unified-runtime#2078

This should fix the post-commit E2E failures on opencl:fpga

---------

Co-authored-by: Omar Ahmed <omarpiratee2010@gmail.com>

sycl/cmake/modules/FetchUnifiedRuntime.cmake

@@ -117,13 +117,13 @@ if(SYCL_UR_USE_FETCH_CONTENT)
   endfunction()
 
   set(UNIFIED_RUNTIME_REPO "https://github.com/oneapi-src/unified-runtime.git")
-  # commit eb63d1a21729f6928bb6cccc5f92856b0690aca6
-  # Merge: e26bba51 45a781f4
+  # commit 24a8299efc59c715a1c2dd180692a5e12a12283a
+  # Merge: eb63d1a2 2fea679d
   # Author: Omar Ahmed <omar.ahmed@codeplay.com>
-  # Date:   Tue Sep 10 12:08:57 2024 +0100
-  #   Merge pull request #1796 from GeorgeWeb/georgi/ur_kernel_max_active_wgs
-  #   [CUDA] Implement urKernelSuggestMaxCooperativeGroupCountExp for Cuda
-  set(UNIFIED_RUNTIME_TAG eb63d1a21729f6928bb6cccc5f92856b0690aca6)
+  # Date:   Wed Sep 11 10:40:59 2024 +0100
+  #     Merge pull request #2078 from callumfare/callum/fix_device_extensions_fpga
+  #     Add workaround for silently supported OpenCL extensions on Intel FPGA
+  set(UNIFIED_RUNTIME_TAG 24a8299efc59c715a1c2dd180692a5e12a12283a)
 
   set(UMF_BUILD_EXAMPLES OFF CACHE INTERNAL "EXAMPLES")
   # Due to the use of dependentloadflag and no installer for UMF and hwloc we need