[lldb] Skip ObjC timezone tests on macOS >= 14 (NFC) (#78817)

Starting with macOS 14, the `NSTimeZone` and `CFTimeZone` types are backed by swift 
implementations. These tests won't pass on mainline lldb, since it doesn't have Swift 
support.

Author: kastiglione

lldb/test/API/functionalities/data-formatter/data-formatter-objc/TestDataFormatterObjCNSDate.py

@@ -19,6 +19,11 @@ def test_nsdate_with_run_command(self):
         """Test formatters for  NSDate."""
         self.appkit_tester_impl(self.nsdate_data_formatter_commands, False)
 
+    @skipIf(macos_version=[">=", "14.0"])
+    def test_timezone_with_run_command(self):
+        """Test formatters for NSTimeZone and CFTimeZone."""
+        self.appkit_tester_impl(self.timezone_data_formatter_commands, False)
+
     def nsdate_data_formatter_commands(self):
         self.expect(
             "frame variable date1 date2",
@@ -51,16 +56,6 @@ def nsdate_data_formatter_commands(self):
         self.expect_expr("date_1970_plus_05", result_summary="1970-01-01 00:00:00 UTC")
         self.expect_expr("date_1970_plus_04", result_summary="1970-01-01 00:00:00 UTC")
 
-        self.expect(
-            "frame variable cupertino home europe",
-            substrs=['"America/Los_Angeles"', '"Europe/Rome"', '"Europe/Paris"'],
-        )
-
-        self.expect(
-            "frame variable cupertino_ns home_ns europe_ns",
-            substrs=['"America/Los_Angeles"', '"Europe/Rome"', '"Europe/Paris"'],
-        )
-
         self.expect(
             "frame variable mut_bv",
             substrs=[
@@ -71,3 +66,14 @@ def nsdate_data_formatter_commands(self):
 
         self.expect_expr("distant_past", result_summary="0001-01-01 00:00:00 UTC")
         self.expect_expr("distant_future", result_summary="4001-01-01 00:00:00 UTC")
+
+    def timezone_data_formatter_commands(self):
+        self.expect(
+            "frame variable cupertino home europe",
+            substrs=['"America/Los_Angeles"', '"Europe/Rome"', '"Europe/Paris"'],
+        )
+
+        self.expect(
+            "frame variable cupertino_ns home_ns europe_ns",
+            substrs=['"America/Los_Angeles"', '"Europe/Rome"', '"Europe/Paris"'],
+        )