fix: upgrade net.sf.jasperreports:jasperreports from 6.20.1 to 6.21.4

Snyk has created this PR to upgrade net.sf.jasperreports:jasperreports from 6.20.1 to 6.21.4.

See this package in maven:
net.sf.jasperreports:jasperreports

See this project in Snyk:
https://app.snyk.io/org/m0ver/project/5eb064c7-c755-4c05-8c9b-21d0bd345099?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

pom.xml

@@ -31,7 +31,7 @@
         <dependency>
             <groupId>net.sf.jasperreports</groupId>
             <artifactId>jasperreports</artifactId>
-            <version>6.20.1</version>
+            <version>6.21.4</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-simple -->