Update apps/dashboard/src/app/(dashboard)/(chain)/utils.ts

Co-authored-by: graphite-app[bot] <96075541+graphite-app[bot]@users.noreply.github.com>
Signed-off-by: Joaquim Verges <joaquim.verges@gmail.com>

Author: joaquim-verges

apps/dashboard/src/app/(dashboard)/(chain)/utils.ts

@@ -577,7 +577,7 @@ const chainMetaRecord = {
       buttonText: "Learn More",
     },
   },
-  //Reactive Mainnnet
+  //Reactive Mainnet
   1597: {
     headerImgUrl: reactiveBanner.src,
     about: