Actually bump the magic number, don't just write about it

Author: mpage

Include/internal/pycore_magic_number.h

@@ -280,7 +280,7 @@ Known values:
     Python 3.15a0 3650 (Initial version)
     Python 3.15a1 3651 (Simplify LOAD_CONST)
     Python 3.15a1 3652 (Virtual iterators)
-    Python 3.15a1 3653 (Treat FORMAT_SIMPLE conservatively when optimizing LOAD_FAST)
+    Python 3.15a1 3653 (Fix handling of opcodes that may leave operands on the stack when optimizing LOAD_FAST)
 
 
     Python 3.16 will start with 3700
@@ -294,7 +294,7 @@ PC/launcher.c must also be updated.
 
 */
 
-#define PYC_MAGIC_NUMBER 3652
+#define PYC_MAGIC_NUMBER 3653
 /* This is equivalent to converting PYC_MAGIC_NUMBER to 2 bytes
    (little-endian) and then appending b'\r\n'. */
 #define PYC_MAGIC_NUMBER_TOKEN \