Update dependency org.codehaus.groovy:groovy-all to v2.4.21

Author: renovate[bot]

pom.xml

@@ -30,7 +30,7 @@
         <outputDirectory>${project.build.directory}</outputDirectory>
         <cucumber.version>6.11.0</cucumber.version>
         <gherkin.version>18.1.1</gherkin.version>
-        <groovy.version>2.4.12</groovy.version>
+        <groovy.version>2.4.21</groovy.version>
         <junit-jupiter.version>5.9.1</junit-jupiter.version>
         <mockito.version>2.28.2</mockito.version>
         <project.Automatic-Module-Name>io.cucumber.groovy</project.Automatic-Module-Name>