fix(deps): update dependency io.micronaut:micronaut-core-bom to v4.8.4 (#250)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ intellij-java-decompiler = "243.23654.189"
 
 managed-asm = "9.7.1"
 
-micronaut = "4.8.3"
+micronaut = "4.8.4"
 micronaut-platform = "4.7.5"
 micronaut-docs = "2.0.0"
 micronaut-test = "4.7.0"