[rocprofiler-sdk] Add codeowner for api-trace.h (#1933)

.github/CODEOWNERS

@@ -3,3 +3,5 @@ docs/ @ROCm/rocm-documentation
 *.md @ROCm/rocm-documentation
 *.rst @ROCm/rocm-documentation
 .readthedocs.yaml @ROCm/rocm-documentation
+
+src/include/api_trace.h @mythreyak