Update copyright year dynamically to reflect the current year (apache…

…#189)

src/theme/Footer/index.tsx

@@ -3,6 +3,7 @@ import React, { FC } from 'react';
 const ApacheSvg = require('@site/static/img/apache/incubator.svg').default;
 
 const Footer: FC = () => {
+  const year = new Date().getFullYear();
   return (
     <footer className="footer">
       <div className="container py-3">
@@ -20,7 +21,7 @@ const Footer: FC = () => {
               </div>
 
               <div className="my-3">
-                <span>Copyright © 2023 The Apache Software Foundation, Licensed under the Apache License, Version 2.0.</span>
+                <span>Copyright © 2023 - {year} The Apache Software Foundation, Licensed under the Apache License, Version 2.0.</span>
                 <br />
                 <span>Apache, the names of Apache projects, and the feather logo are either registered trademarks or trademarks of the Apache Software Foundation in the United States and/or other countries.</span>
               </div>