bpo-43444: Move sqlite3 MODULE_NAME from setup.py to module.h (GH-24801)

diff --git a/Modules/_sqlite/module.h b/Modules/_sqlite/module.h
index 3185ec9..9aede92 100644
--- a/Modules/_sqlite/module.h
+++ b/Modules/_sqlite/module.h
@@ -27,6 +27,7 @@
 #include "Python.h"
 
 #define PYSQLITE_VERSION "2.6.0"
+#define MODULE_NAME "sqlite3"
 
 extern PyObject* pysqlite_Error;
 extern PyObject* pysqlite_Warning;