Updated owners (#3195)

Author: veblush

.github/workflows/log_binary_size_pr.yml

@@ -60,4 +60,4 @@ jobs:
          author: TFLM-bot <[email protected]>
          body: "BUG=automated binary size log update"
          labels: ci:run
-         reviewers: advaitjain
+         reviewers: veblush

CODEOWNERS

@@ -1,4 +1,4 @@
 *          @tensorflow/micro
 
-/.github/  @advaitjain @rockyrhodes @suleshahid
-/ci/       @advaitjain @rockyrhodes @suleshahid
+/.github/  @veblush
+/ci/       @veblush