[gimp-macos-build/wip/lukaso/tests: 4/4] Use production xcode

[Jehan <jehanp src gnome org>]

commit ff1d7f94be4217103885bdab6dd42837e33460e9
Author: Lukas Oberhuber <lukaso gmail com>
Date:   Wed Sep 29 13:23:14 2021 +0000

    Use production xcode

 .circleci/config.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 54e78db..2906a11 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build-gimp-2-99:
     macos:
-        xcode: "13.0.0"
+        xcode: "12.5.1"
 
     steps:
         - checkout