pom.xml: update Thymeleaf to 3.0.9.RELEASE

Changelog:
http://forum.thymeleaf.org/Thymeleaf-3-0-8-JUST-PUBLISHED-td4030687.html
http://forum.thymeleaf.org/Thymeleaf-3-0-9-JUST-PUBLISHED-td4030728.html

No functional changes.

Author: php-coder

pom.xml

@@ -585,7 +585,7 @@
 		<thymeleaf.togglz.version>2.0.1.RELEASE</thymeleaf.togglz.version>
 
 		<!-- Redefine default value from spring-boot-dependencies (https://github.com/spring-projects/spring-boot/blob/v1.5.7.RELEASE/spring-boot-dependencies/pom.xml) -->
-		<thymeleaf.version>3.0.7.RELEASE</thymeleaf.version>
+		<thymeleaf.version>3.0.9.RELEASE</thymeleaf.version>
 
 		<togglz.version>2.5.0.Final</togglz.version>
 		<war.plugin.version>3.0.0</war.plugin.version>