New code owner for sycl/plugins/esimd_cpu

Make @kbobrovs the code owner for ESIMD CPU emulator plugin.

Author: kbobrovs

.github/CODEOWNERS

@@ -42,6 +42,7 @@ sycl/source/detail/pi.cpp @smaslov-intel
 sycl/source/detail/plugin.hpp @smaslov-intel
 sycl/source/detail/posix_pi.cpp @smaslov-intel
 sycl/source/detail/windows_pi.cpp @smaslov-intel
+sycl/plugins/esimd_cpu/ @kbobrovs
 
 # CUDA plugin
 sycl/plugins/cuda/ @intel/llvm-reviewers-cuda