Add @abbashus and @adnapibar back to CODEOWNERS

Also, I sorted CODEOWNERS alphabetically, with:
  cat CODEOWNERS | tr ' ' '\n' | sort

Then I copy/pasted the sorted list back into the file.

Signed-off-by: Michael Froh <froh@amazon.com>

.github/CODEOWNERS

@@ -1 +1 @@
-*   @reta @anasalkouz @andrross @Bukhtawar @CEHENKLE @dblock @gbbafna @setiah @kartg @kotwanikunal @mch2 @nknize @owaiskazi19 @peternied @Rishikesh1159 @ryanbogan @saratvemulapalli @shwetathareja @dreamer-89 @tlfeng @VachaShah @dbwiddis @sachinpkale @sohami @msfroh
+*   @abbashus @adnapibar @anasalkouz @andrross @Bukhtawar @CEHENKLE @dblock @dbwiddis @dreamer-89 @gbbafna @kartg @kotwanikunal @mch2 @msfroh @nknize @owaiskazi19 @peternied @reta @Rishikesh1159 @ryanbogan @sachinpkale @saratvemulapalli @setiah @shwetathareja @sohami @tlfeng @VachaShah