fix(DatePicker): explicitly update minDate and maxDate (carbon-design-system#4912)

Since flatpickr does not automatically update minDate and maxDate,
we need to explicitly do it when the user makes any change in the props
by using set(option, value) method from flatpickr

Author: figfofu

packages/react/src/components/DatePicker/DatePicker.js

@@ -383,10 +383,22 @@ export default class DatePicker extends Component {
     }
   }
 
-  componentDidUpdate({ dateFormat: prevDateFormat }) {
-    const { dateFormat } = this.props;
-    if (this.cal && prevDateFormat !== dateFormat) {
-      this.cal.set({ dateFormat });
+  componentDidUpdate({
+    dateFormat: prevDateFormat,
+    minDate: prevMinDate,
+    maxDate: prevMaxDate,
+  }) {
+    const { dateFormat, minDate, maxDate } = this.props;
+    if (this.cal) {
+      if (prevDateFormat !== dateFormat) {
+        this.cal.set({ dateFormat });
+      }
+      if (prevMinDate !== minDate) {
+        this.cal.set('minDate', minDate);
+      }
+      if (prevMaxDate !== maxDate) {
+        this.cal.set('maxDate', maxDate);
+      }
     }
   }