Bump org.codehaus.groovy:groovy from 2.4.16 to 2.4.21 #7006

Job	Run time
shellcheck	3m 8s
checkstyle	3m 57s
build	6m 50s
copyright	3m 37s
tests/tck-cdi	18m 0s
tests/core	11m 28s
tests/tck-rest	15m 2s
tests/it	14m 24s
tests/tck-others	17m 0s
tests/dbclient	9m 14s
spotbugs/core	10m 45s
tests/dbclient-oracle	16m 31s
spotbugs/integrations	7m 22s
spotbugs/others	12m 52s
tests/others	12m 57s
docs	4m 47s
javadoc (core)	6m 57s
quickstarts/linux	11m 59s
javadoc (integrations)	5m 39s
quickstarts/macos	11m 18s
javadoc (others)	7m 54s
tests/native-image-mp-1-linux	6m 48s
archetypes/r1-jar	6m 47s
archetypes/r2-jar	6m 49s
tests/native-image-mp-2-linux	11m 52s
examples/linux	12m 17s
tests/native-image-mp-3-linux	6m 28s
examples/macos	10m 9s
archetypes/r3-jar	6m 4s
tests/native-image-se-1-linux	6m 47s
archetypes/r4-jar	6m 51s
tests/native-image-inject-linux	6m 28s
archetypes/r5-jar	5m 12s
tests/native-image-mp-1-macos	8m 45s
archetypes/legacy	4m 55s
tests/native-image-mp-2-macos	13m 49s
tests/native-image-mp-3-macos	7m 13s
tests/packaging-jar-linux	6m 40s
tests/native-image-se-1-macos	8m 5s
tests/packaging-jlink-linux	9m 34s
tests/native-image-inject-macos	6m 18s
tests/packaging-jar-macos	4m 56s
tests/packaging-jlink-macos	6m 41s
tests/results	12s
gate	1s
	6h 21m 22s

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