Bump groovy.version from 4.0.20 to 4.0.21

Bumps `groovy.version` from 4.0.20 to 4.0.21.

Updates `org.apache.groovy:groovy-bom` from 4.0.20 to 4.0.21
- [Commits](https://github.com/apache/groovy/commits)

Updates `org.apache.groovy:groovy-all` from 4.0.20 to 4.0.21
- [Commits](https://github.com/apache/groovy/commits)

---
updated-dependencies:
- dependency-name: org.apache.groovy:groovy-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.groovy:groovy-all
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -72,7 +72,7 @@
         <commons-lang3.version>3.14.0</commons-lang3.version>
         <ant.version>1.10.14</ant.version>
         <junit-jupiter.version>5.10.2</junit-jupiter.version>
-        <groovy.version>4.0.20</groovy.version>
+        <groovy.version>4.0.21</groovy.version>
         <spock.version>2.3-groovy-4.0</spock.version>
         <spring.version>5.3.28</spring.version>
         <maven-failsafe-plugin.version>3.2.5</maven-failsafe-plugin.version>