bump zip extension version to 1.22.6

Author: remicollet

ext/zip/php_zip.h

@@ -39,7 +39,7 @@ extern zend_module_entry zip_module_entry;
 /* Additionnal flags not from libzip */
 #define ZIP_FL_OPEN_FILE_NOW (1u<<30)
 
-#define PHP_ZIP_VERSION "1.22.5"
+#define PHP_ZIP_VERSION "1.22.6"
 
 #ifdef HAVE_LIBZIP_VERSION
 #define LIBZIP_VERSION_STR zip_libzip_version()