fixed footer links

Author: kkartunov

__tests__/shared/components/__snapshots__/TopcoderFooter.jsx.snap

@@ -359,7 +359,7 @@ exports[`Matches shallow shapshot 1`] = `
             className="src-shared-components-TopcoderFooter-___style__link___3-nzm"
           >
             <a
-              href="https://www.topcoder-dev.com/contact-us/?ref=navb"
+              href="https://go.topcoder.com/contact/?ref=navb"
               target="_self"
             >
               Talk to Sales

src/shared/components/TopcoderFooter/index.jsx

@@ -105,7 +105,7 @@ export default function TopcoderFooter() {
               }
               <Link to={`${base}/community/learn?ref=navb`}>About Community</Link>
               <Link to={`${base}/community/changelog?ref=navb`}>Changelog</Link>
-              <Link to={`${base}/contact-us/?ref=navb`}>Talk to Sales</Link>
+              <Link to="https://go.topcoder.com/contact/?ref=navb">Talk to Sales</Link>
             </ul>
           </div>
           <div styleName="navi-col">