Merge pull request #12408 from sbillig/fix-mac-build

Update circleci mac xcode version to 13.2

Author: chriseth

.circleci/config.yml

@@ -352,7 +352,7 @@ defaults:
 
   - base_osx: &base_osx
       macos:
-        xcode: "11.0.0"
+        xcode: "13.2.0"
       environment:
         TERM: xterm
         MAKEFLAGS: -j 5