fix(deps): update groovy monorepo to v3.0.21 (#1790)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle.properties

@@ -22,7 +22,7 @@ javaParserCoreVersion=3.15.14
 junitVersion=4.12
 junit-jupiter.version=5.7.0
 javassistVersion=3.30.2-GA
-groovyVersion=3.0.20
+groovyVersion=3.0.21
 
 org.gradle.caching=true
 org.gradle.parallel=true