Update dependency io.micronaut:micronaut-core-bom to v4.6.4 #1048

Job	Run time
build_matrix	3m 29s
build (17, micronaut-test-sample-poja:nativeTest)	5m 55s
build (17, test-suite-http-server-tck-jetty:nativeTest)	6m 31s
build (17, test-suite-http-server-tck-poja-apache:nativeTest)	7m 30s
build (17, test-suite-http-server-tck-tomcat:nativeTest)	6m 41s
build (17, test-suite-http-server-tck-undertow:nativeTest)	6m 50s
build (21, micronaut-test-sample-poja:nativeTest)	5m 53s
build (21, test-suite-http-server-tck-jetty:nativeTest)	6m 30s
build (21, test-suite-http-server-tck-poja-apache:nativeTest)	7m 46s
build (21, test-suite-http-server-tck-tomcat:nativeTest)	6m 54s
build (21, test-suite-http-server-tck-undertow:nativeTest)	6m 47s
	1h 10m 46s

Provide feedback