Add aobort as a codeowner next to AlexGluck (#219)

Author: hiddenmarten

CODEOWNERS

@@ -1,10 +1,10 @@
-/.github @hiddenmarten @AlexGluck
+/.github @hiddenmarten @AlexGluck @aobort
 /api @sircthulhu @Kirill-Garbar
-/charts @hiddenmarten @AlexGluck
+/charts @hiddenmarten @AlexGluck @aobort
 /cmd @sircthulhu @Kirill-Garbar
 /config @sircthulhu @Kirill-Garbar
 /hack @sircthulhu @Kirill-Garbar
 /internal @sircthulhu @Kirill-Garbar @sergeyshevch
-/test @sircthulhu @Kirill-Garbar @hiddenmarten @AlexGluck
+/test @sircthulhu @Kirill-Garbar @hiddenmarten @AlexGluck @aobort
 /site @sergeyshevch @Kirill-Garbar
 /*.md @kvaps @Kirill-Garbar