Use CL_DEVICE_MAX_WORK_GROUP_SIZES to implement sycl_ext_oneapi_max_work_group_query in UR

[VerenaBeckham]

The sycl_ext_oneapi_max_work_group_query extension currently returns hardcoded INT_MAX values on an OpenCL backend, see

llvm/unified-runtime/source/adapters/opencl/device.cpp

Line 256 in 65ac067

case UR_DEVICE_INFO_MAX_WORK_GROUPS_3D: {

But OpenCL has since introduced CL_DEVICE_MAX_WORK_GROUP_SIZES (see https://registry.khronos.org/OpenCL/specs/unified/html/OpenCL_API.html#CL_DEVICE_MAX_WORK_GROUP_SIZES). I believe this provides at least enough functionality to implement the max_work_groups query.

[VerenaBeckham]

Might want to wait for #22929 to be done first.

[dyniols]

@HPS-1 FYI