Bump version to 3.7.17.6

Author: i-shenl

Doc/whatsnew/3.7.rst

@@ -2671,3 +2671,11 @@ pyexpat / libexpat
 ------------------
 
 * Upgrade bundled libexpat to 2.6.3 to fix CVE-2024-28757, CVE-2024-45490, CVE-2024-45491 and CVE-2024-45492.
+
+Notable changes in 3.7.17.6
+=========================
+
+pyexpat / libexpat
+------------------
+
+* Upgrade bundled libexpat to 2.6.4 to fix CVE-2024-50602.

Include/patchlevel.h

@@ -23,7 +23,7 @@
 #define PY_RELEASE_SERIAL       0
 
 /* Version as a string */
-#define PY_VERSION              "3.7.17.5"
+#define PY_VERSION              "3.7.17.6"
 /*--end constants--*/
 
 /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.