CMakeLists: Rollback minimum to fmt 9

The mingw fmt package https://aur.archlinux.org/packages/mingw-w64-fmt has not been updated yet.

CMakeLists.txt

@@ -212,7 +212,7 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
 # Enforce the search mode of non-required packages for better and shorter failure messages
 find_package(Boost 1.79.0 REQUIRED context)
 find_package(enet 1.3 MODULE)
-find_package(fmt 10 REQUIRED)
+find_package(fmt 9 REQUIRED)
 find_package(inih 52 MODULE COMPONENTS INIReader)
 find_package(LLVM MODULE COMPONENTS Demangle)
 find_package(lz4 REQUIRED)