Merge pull request #369 from EasyPost/EXP-717_update_codeowners

chore: update CODEOWNERS to use dev-tools team instead of team-shippers

Author: Justintime50

.github/CODEOWNERS

@@ -1,7 +1,7 @@
 ## These are the standard rules for all EasyPost public repositories.
 ##
 
-* @EasyPost/team-shippers @EasyPost/easypost-public-maintainers
+* @EasyPost/dev-tools @EasyPost/easypost-public-maintainers
 
 # The devtools team owns the codeowners file, this is for auditing purposes
 .github/CODEOWNERS @easypost/dev-tools