Prepare release 0.25

Author: julien-duponchelle

CHANGELOG

@@ -150,3 +150,6 @@
 
 0.24 27/06/2021
 * Support PyMySQL 1.0
+
+0.25 21/07/2021
+* Support 'ZEROFILL' attribute for numeric datatypes

README.md

@@ -328,6 +328,7 @@ Other contributors:
 * Garen Chan Support PyMysql with a version greater than 0.9.3 https://github.com/garenchan
 * Mike Ascah: Add logic to handle inlined ints in large json documents ttps://github.com/mascah 
 * Hiroaki Kawai: PyMySQL 1.0 support (https://github.com/hkwi)
+* Dongwook Chan: Support for ZEROFILL (https://github.com/dongwook-chan)
 
 Thanks to GetResponse for their support