fix(deps): update dependency org.codehaus.groovy:groovy-all to v2.4.21 [security]

Author: renovate[bot]

pom.xml

@@ -116,7 +116,7 @@
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy-all</artifactId>
             <!-- any version of Groovy \>= 1.5.0 should work here -->
-            <version>2.4.12</version>
+            <version>2.4.21</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.yaml/snakeyaml -->
         <dependency>