Vendor dependencies for 0.3.0 release

vendor/objc2-core-foundation/src/timezone.rs

@@ -0,0 +1,14 @@
+#![cfg(feature = "CFDate")]
+
+#[cfg(test)]
+mod tests {
+    use crate::CFTimeZone;
+
+    #[test]
+    fn cmp() {
+        let system = CFTimeZone::system().unwrap();
+        let default = CFTimeZone::default().unwrap();
+        assert_eq!(system, default);
+        assert_eq!(system.name().unwrap(), default.name().unwrap(),);
+    }
+}