Merge pull request #41997 from LucianoPAlmeida/xcode-version

[XCode] Add version 13.3 to supported build script versions

Author: swift-ci

utils/build-script

@@ -58,7 +58,8 @@ _SUPPORTED_XCODE_BUILDS = [
     ("13.0", "13A233"),
     ("13.1 RC 1", "13A1030d"),
     ("13.2 beta", "13C5066c"),
-    ("13.2.1", "13C100")
+    ("13.2.1", "13C100"),
+    ("13.3", "13E113")
 ]
 
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