docs(README): Add gmp-devel as a required dependency on Fedora (#484)

README.md

@@ -60,7 +60,7 @@ Install the required dependencies on RHEL/Fedora-based systems:
 ### Fedora 42
 ```bash
 sudo dnf update
-sudo dnf install gcc g++ cmake libXrandr-devel libXinerama-devel libXcursor-devel libXi-devel mesa-libGL-devel glew-devel freeglut-devel SDL2-devel lz4-devel ffmpeg ffmpeg-free-devel libXxf86vm-devel glm-devel glfw-devel mpv mpv-devel pulseaudio-libs-devel fftw-devel
+sudo dnf install gcc g++ cmake libXrandr-devel libXinerama-devel libXcursor-devel libXi-devel mesa-libGL-devel glew-devel freeglut-devel SDL2-devel lz4-devel ffmpeg ffmpeg-free-devel libXxf86vm-devel glm-devel glfw-devel mpv mpv-devel pulseaudio-libs-devel fftw-devel gmp-devel
 ```
 
 ---