[SYCL][BuildBot] Uplift GPU RT version for Linux to 20.50.18716 (#2916)

Signed-off-by: bb-sycl <bb-sycl@intel.com>

Author: bb-sycl

buildbot/dependency.conf

@@ -4,8 +4,8 @@ ocl_cpu_rt_ver=2020.11.11.0.04
 # https://github.com/intel/llvm/releases/download/2020-WW45/win-oclcpuexp-2020.11.11.0.04_rel.zip
 ocl_cpu_rt_ver_win=2020.11.11.0.04
 # Same GPU driver supports Level Zero and OpenCL
-# https://github.com/intel/compute-runtime/releases/tag/20.46.18421
-ocl_gpu_rt_ver=20.46.18421
+# https://github.com/intel/compute-runtime/releases/tag/20.50.18716
+ocl_gpu_rt_ver=20.50.18716
 # Same GPU driver supports Level Zero and OpenCL
 # https://downloadmirror.intel.com/29988/a08/igfx_win10_100.8935.zip
 ocl_gpu_rt_ver_win=27.20.100.8935
@@ -25,7 +25,7 @@ fpga_ver_win=20201022_000005
 [DRIVER VERSIONS]
 cpu_driver_lin=2020.11.11.0.04
 cpu_driver_win=2020.11.11.0.04
-gpu_driver_lin=20.46.18421
+gpu_driver_lin=20.50.18716
 gpu_driver_win=27.20.100.8935
 fpga_driver_lin=2020.11.11.0.04
 fpga_driver_win=2020.11.11.0.04