chore: upgrade to astro v3 (#4437)

src/data/roadmaps/cpp/content/116-build-systems/102-ninja.md

@@ -4,7 +4,7 @@ Ninja is a small build system with a focus on speed. It is designed to handle la
 
 Ninja build files are typically named `build.ninja` and contain rules, build statements, and variable declarations. Here's a simple example of a Ninja build file for a C++ project:
 
-```ninja
+```
 # Variable declarations
 cxx = g++
 cflags = -Wall -Wextra -std=c++17

src/data/roadmaps/cpp/content/116-build-systems/index.md

@@ -6,7 +6,7 @@ A build system is a collection of tools and utilities that automate the process
 
    Code example:
 
-   ```Makefile
+   ```
    # Makefile
    CXX = g++
    CPPFLAGS = -Wall -std=c++11
@@ -25,7 +25,7 @@ A build system is a collection of tools and utilities that automate the process
 
    Code example:
 
-   ```CMake
+   ```
    # CMakeLists.txt
    cmake_minimum_required(VERSION 3.10)
    project(HelloWorld)

src/data/roadmaps/cpp/content/libraries/103-protobuf.md

@@ -8,7 +8,7 @@ Here is a brief summary of protobuf and how to use it in C++:
 
    *Example:*
 
-   ```protobuf
+   ```
    syntax = "proto3";
    
    message Person {