fix(deps): update dependency io.micronaut:micronaut-core-bom to v4.6.6

Author: renovate[bot]

gradle/libs.versions.toml

@@ -23,7 +23,7 @@ commons-text = "1.12.0"
 guava = "33.3.1-jre"
 commonmark = "0.23.0"
 
-micronaut = "4.6.5"
+micronaut = "4.6.6"
 micronaut-platform = "4.6.3"
 micronaut-jaxrs = "4.6.1"
 micronaut-security = "4.10.1"