Change raylib version for VSCode mingw project makefile (#1347)

projects/VSCode/Makefile

@@ -25,8 +25,8 @@
 
 # Define required raylib variables
 PROJECT_NAME       ?= game
-RAYLIB_VERSION     ?= 2.5.0
-RAYLIB_API_VERSION ?= 251
+RAYLIB_VERSION     ?= 3.0.0
+RAYLIB_API_VERSION ?= 300
 RAYLIB_PATH        ?= ..\..
 
 # Define compiler path on Windows