fix(deps): update dependency io.micronaut:micronaut-core-bom to v4.6.6 (#745)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ junit = "5.10.0"
 mockito = "5.14.1"
 
 # Micronaut
-micronaut = "4.6.5"
+micronaut = "4.6.6"
 micronaut-cache = "5.0.1"
 micronaut-data = "4.9.4"
 micronaut-discovery-client = "4.4.0"