Merge pull request Book Cover Design Template from JavaMoney/dependabot/maven/web/javamoney-tradingapp/org.springframework-spring-core-4.3.21.RELEASE

Bump spring-core from 4.3.20.RELEASE to 4.3.21.RELEASE in /web/javamoney-tradingapp

Author: WordPress Blog Post Ideas

web/javamoney-tradingapp/pom.xml

@@ -12,7 +12,7 @@
  <name>Java Money and Currency Web Spring Trading App</name>
  <properties>
  <!-- Spring version -->
- <version.spring>4.3.20.RELEASE</version.spring>
+ <version.spring>4.3.21.RELEASE</version.spring>
  <!-- Spring Third Party dependencies -->
  <version.aopalliance>1.0.1-SNAPSHOT</version.aopalliance>
  <!-- Third Party dependencies -->