Add redirect from old to new deep search URL (#1248)

We moved it but the product deep links to the old location.

Test plan: CI.

Author: eseliger

src/data/redirects.ts

@@ -6868,6 +6868,11 @@ const redirectsData = [
     destination: '/analytics',
     permanent: true
   },
+  {
+    source: '/code-search/types/deep-search',
+    destination: '/deep-search',
+    permanent: true
+  },
 ];
 
 const updatedRedirectsData = redirectsData.map(redirect => {