Update Xcode to 14.3.1 (#129024)

Framework part of https://github.com/flutter/flutter/issues/129019

.ci.yaml

@@ -80,7 +80,7 @@ platform_properties:
       device_type: none
       $flutter/osx_sdk : >-
         {
-          "sdk_version": "14e222b"
+          "sdk_version": "14e300c"
         }
   mac_arm64:
     properties:
@@ -93,7 +93,7 @@ platform_properties:
       cpu: arm64
       $flutter/osx_sdk : >-
         {
-          "sdk_version": "14e222b"
+          "sdk_version": "14e300c"
         }
   mac_benchmark:
     properties:
@@ -108,7 +108,7 @@ platform_properties:
         ["devicelab", "hostonly", "mac"]
       $flutter/osx_sdk : >-
         {
-          "sdk_version": "14e222b"
+          "sdk_version": "14e300c"
         }
   mac_x64:
     properties:
@@ -121,7 +121,7 @@ platform_properties:
       cpu: x86
       $flutter/osx_sdk : >-
         {
-          "sdk_version": "14e222b"
+          "sdk_version": "14e300c"
         }
   mac_build_test:
     properties:
@@ -135,7 +135,7 @@ platform_properties:
       cpu: x86
       $flutter/osx_sdk : >-
         {
-          "sdk_version": "14e222b"
+          "sdk_version": "14e300c"
         }
   mac_android:
     properties:
@@ -170,7 +170,7 @@ platform_properties:
       device_os: iOS-16
       $flutter/osx_sdk : >-
         {
-          "sdk_version": "14e222b"
+          "sdk_version": "14e300c"
         }
   mac_arm64_ios:
     properties:
@@ -184,7 +184,7 @@ platform_properties:
       device_os: iOS-16
       $flutter/osx_sdk : >-
         {
-          "sdk_version": "14e222b"
+          "sdk_version": "14e300c"
         }
   windows:
     properties: