Update links to 2.2.0

Author: stcarrez

README.md

@@ -7,9 +7,9 @@
 [![Test Status](https://img.shields.io/jenkins/t/https/jenkins.vacs.fr/Ada-ADO.svg)](https://jenkins.vacs.fr/job/Ada-ADO/)
 [![codecov](https://codecov.io/gh/stcarrez/ada-ado/branch/master/graph/badge.svg)](https://codecov.io/gh/stcarrez/ada-ado)
 [![Documentation Status](https://readthedocs.org/projects/ada-ado/badge/?version=latest)](https://ada-ado.readthedocs.io/en/latest/?badge=latest)
-[![Download](https://img.shields.io/badge/download-2.1.2-brightgreen.svg)](http://download.vacs.fr/ada-ado/ada-ado-2.1.2.tar.gz)
+[![Download](https://img.shields.io/badge/download-2.2.0-brightgreen.svg)](http://download.vacs.fr/ada-ado/ada-ado-2.2.0.tar.gz)
 [![License](https://img.shields.io/badge/license-APACHE2-blue.svg)](LICENSE)
-![Commits](https://img.shields.io/github/commits-since/stcarrez/ada-ado/2.1.2.svg)
+![Commits](https://img.shields.io/github/commits-since/stcarrez/ada-ado/2.2.0.svg)
 
 Ada Database Objects is an Ada05 library that provides
 object relational mapping to access a database in Ada05.