[NFC] Update CODEOWNERS (intel#916)

Signed-off-by: Dmitry Sidorov <[email protected]>

Author: MrSidims

.github/CODEOWNERS

@@ -37,7 +37,8 @@ SYCL/DeviceLib/ITTAnnotations @vzakhari @MrSidims
 /SYCL/SubGroupMask/ @Pennycook @intel/llvm-reviewers-runtime
 
 # Plugin interface for Level Zero
-/SYCL/Plugin/*level[-_]zero* @intel/dpcpp-l0-pi-reviewers
+/SYCL/Plugin/*level-zero* @intel/dpcpp-l0-pi-reviewers
+/SYCL/Plugin/*level_zero* @intel/dpcpp-l0-pi-reviewers
 
 # Explicit SIMD
 <<<<<<< HEAD
@@ -122,7 +123,7 @@ SYCL/XPTI @intel/llvm-reviewers-runtime
 /SYCL/ESIMD/ @intel/dpcpp-esimd-reviewers
 
 # BFloat16 conversion
-/SYCL/BFloat16/ @AlexeySotkin @intel/dpcpp-tools-reviewers
+/SYCL/BFloat16/ @intel/dpcpp-tools-reviewers
 
 # Compiler tests
 /SYCL/AOT/ @intel/dpcpp-tools-reviewers