Merge pull request #286 from valory-xyz/fix/minimum-olas-string

fix: missed minimum required olas string

frontend/components/ManageStakingPage/StakingContractSection/index.tsx

@@ -136,7 +136,7 @@ export const StakingContractSection = ({
     }
 
     if (!hasEnoughOlasToMigrate) {
-      return 'Insufficient OLAS balance to migrate, need ${}';
+      return `Insufficient OLAS to migrate, ${minimumOlasRequiredToMigrate} OLAS required in total.`;
     }
 
     if (!isAppVersionCompatible) {