ci: bump Xcode version on release job (#70)

Author: dsanders11

.circleci/config.yml

@@ -86,7 +86,7 @@ jobs:
             - bin
   release-mac:
     macos:
-      xcode: 13.4.1
+      xcode: 14.3.1
     resource_class: macos.x86.medium.gen2
     steps:
       - install: