chore(deps): update azul/zulu-openjdk docker tag to v20 - autoclosed #1528

Job	Run time
build-test (docker-compose.yml, Dockerfile.ci)	1m 20s
build-test (docker-compose.yml, Dockerfile.azul.ci)	1m 33s
build-test (docker-compose.yml, Dockerfile.openj9.ci)	1m 21s
build-test (docker-compose.yml, Dockerfile.graalvm-jvm.ci)	1m 39s
build-test (testing/docker-compose.hsqldb.yml, Dockerfile.ci)	1m 18s
build-test (testing/docker-compose.hsqldb.yml, Dockerfile.azul.ci)	1m 28s
build-test (testing/docker-compose.hsqldb.yml, Dockerfile.openj9.ci)	1m 21s
build-test (testing/docker-compose.hsqldb.yml, Dockerfile.graalvm-jvm.ci)	1m 31s
build-test (testing/docker-compose.cockroachdb.yml, Dockerfile.ci)	1m 27s
build-test (testing/docker-compose.cockroachdb.yml, Dockerfile.azul.ci)	1m 27s
build-test (testing/docker-compose.cockroachdb.yml, Dockerfile.openj9.ci)	1m 36s
build-test (testing/docker-compose.cockroachdb.yml, Dockerfile.graalvm-jvm.ci)	1m 40s
build-test (testing/docker-compose.yugabytedb.yml, Dockerfile.ci)	2m 32s
build-test (testing/docker-compose.yugabytedb.yml, Dockerfile.azul.ci)	2m 53s
build-test (testing/docker-compose.yugabytedb.yml, Dockerfile.openj9.ci)	2m 25s
build-test (testing/docker-compose.yugabytedb.yml, Dockerfile.graalvm-jvm.ci)	2m 53s
	28m 24s

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