fix(deps): update dependency io.micronaut:micronaut-http-client to v4

Author: renovate[bot]

gradle/libs.versions.toml

@@ -10,7 +10,7 @@ grails-testing-support = '3.2.2'
 groovy = '3.0.21'
 java-baseline = '11'
 javax-annotation-api = '1.3.2'
-micronaut = '3.10.4'
+micronaut = '4.4.2'
 mongodb = '4.11.2'
 slf4j = '1.7.36'
 spock = '2.3-groovy-3.0'