message: ci: add Zach Arend to pullapprove groups
  Add Zach Arend to the pullapprove groups for public api, size tracking,
  and circular deps.
  PR Close
diff: @@ -1241,6 +1241,7 @@ groups:
  - jelbourn
  - petebacondarwin
  - jessicajaniuk
  + - zarend
  # OOO as of 2020-09-28 - pkozlowski-opensource
  reviews:
  request: 4 # Request reviews from four people
  @@ -1270,6 +1271,7 @@ groups:
  - jelbourn
  - petebacondarwin
  - jessicajaniuk
  + - zarend
  # OOO as of 2020-09-28 - pkozlowski-opensource
  reviews:
  request: 4 # Request reviews from four people
  @@ -1299,6 +1301,7 @@ groups:
  - jelbourn
  - petebacondarwin
  - jessicajaniuk
  + - zarend
  # OOO as of 2020-09-28 - pkozlowski-opensource
  