fix(deps): update dependency io.micronaut:micronaut-core-bom to v4.10.8 (#469)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ managed-rxjava3 = "3.1.12"
 
 micronaut-rxjava2 = "2.9.0"
 micronaut-docs = "3.0.0"
-micronaut = "4.10.4"
+micronaut = "4.10.8"
 micronaut-test = "4.9.0"
 groovy = "4.0.25"
 spock = "2.3-groovy-4.0"