Fix broken build

src/data/roadmaps/cpp/content/libraries/104-grpc.md

@@ -10,7 +10,7 @@ In gRPC, you start by defining service definitions and message structures in `.p
 
 Here's an example of how that might look:
 
-```protobuf
+```proto
 syntax = "proto3";
 
 package example;

src/pages/questions/[questionGroupId].astro

@@ -8,7 +8,7 @@ import AstroIcon from "../../components/AstroIcon.astro";
 export async function getStaticPaths() {
   return [
     {
-      params: { quizId: 'frontend' },
+      params: { questionGroupId: 'frontend' },
       props: {},
     },
   ];