Upgrade org.codehaus.groovy:groovy-all to 2.4.21.

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Closes #3180

pom.xml

@@ -234,7 +234,7 @@
 		<dependency>
 			<groupId>org.codehaus.groovy</groupId>
 			<artifactId>groovy-all</artifactId>
-			<version>2.4.4</version>
+			<version>2.4.21</version>
 			<scope>test</scope>
 		</dependency>