Bump groovy.version from 4.0.20 to 4.0.21 in /java (#128)

Bumps `groovy.version` from 4.0.20 to 4.0.21.

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

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

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

Updates `org.apache.groovy:groovy-jsr223` from 4.0.20 to 4.0.21
- [Commits](https://github.com/apache/groovy/commits)

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

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

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

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

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

---
updated-dependencies:
- dependency-name: org.apache.groovy:groovy
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.apache.groovy:groovy-templates
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.apache.groovy:groovy-xml
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.apache.groovy:groovy-jsr223
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.apache.groovy:groovy-datetime
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.apache.groovy:groovy-dateutil
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.apache.groovy:groovy-sql
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.apache.groovy:groovy-json
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.apache.groovy:groovy-groovysh
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

java/pom.xml

@@ -83,7 +83,7 @@
   <properties>
     <parent.path>${basedir}</parent.path>
 
-    <groovy.version>4.0.20</groovy.version>
+    <groovy.version>4.0.21</groovy.version>
 
     <logback.version>1.5.4</logback.version>
     <slf4j.version>2.0.12</slf4j.version>