Bump org.codehaus.groovy:groovy-all from 1.8.7 to 2.4.21

Bumps [org.codehaus.groovy:groovy-all](https://github.com/apache/groovy) from 1.8.7 to 2.4.21.
- [Commits](https://github.com/apache/groovy/commits)

---
updated-dependencies:
- dependency-name: org.codehaus.groovy:groovy-all
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -52,7 +52,7 @@
 		<jacksonVersion>1.5.0</jacksonVersion>
 		<quartzVersion>2.1.1</quartzVersion>
 		<poiVersion>3.12</poiVersion>
-		<groovyVersion>1.8.7</groovyVersion>
+		<groovyVersion>2.4.21</groovyVersion>
         <jodatimeVersion>2.12.5</jodatimeVersion>
         <handlebarsVersion>1.1.2</handlebarsVersion>
         <openmrsTestutilsVersion>1.7.0</openmrsTestutilsVersion>