Update CircleCI to use latest images

Author: calvincestari

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2.1
 parameters:
   xcode_version:
     type: string
-    default: "13.0.0"
+    default: "13.2.1"
   ios_current_version:
     type: string
     default: "15.0"
@@ -15,10 +15,10 @@ parameters:
     default: "iphonesimulator15.0"
   macos_version: # The user-facing version string for macOS builds
     type: string
-    default: "11.5.2"
+    default: "11.6.2"
   macos_sdk: # The full SDK string to use for macOS builds
     type: string
-    default: "macosx11.3"
+    default: "macosx12.1"
   tvos_version: # The user-facing version string of tvOS builds
     type: string
     default: "15.0"