fix(deps): update dependency io.micronaut:micronaut-http-client to v3.10.3 (#517)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ grails-gradle-plugin = '6.1.2'
 grails-testing-support = '3.1.2'
 groovy = '3.0.11'
 java-baseline = '11'
-micronaut = '3.8.7'
+micronaut = '3.10.3'
 slf4j = '1.7.36'
 spock = '2.3-groovy-3.0'
 spring-boot = '2.7.18'