Use 3.0.x branch to fix CMake 4 failures

Author: ChrisThrasher

CMakeLists.txt

@@ -6,7 +6,7 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 include(FetchContent)
 FetchContent_Declare(SFML
     GIT_REPOSITORY https://github.com/SFML/SFML.git
-    GIT_TAG 3.0.0
+    GIT_TAG 3.0.x
     GIT_SHALLOW ON
     EXCLUDE_FROM_ALL
     SYSTEM)