Update MQTT to 4.7.0 (#452)

* fix(deps): update dependency io.micronaut:micronaut-core-bom to v4.7.1

* fix(deps): update dependency io.micronaut.reactor:micronaut-reactor-bom to v3.6.0

* fix(deps): update dependency io.micronaut.serde:micronaut-serde-bom to v2.12.0	gradle/libs.versions.toml

* fix(deps): update dependency io.micronaut.validation:micronaut-validation-bom to v4.8.0

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

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 micronaut-docs = "2.0.0"
-micronaut = "4.6.5"
+micronaut = "4.7.1"
 micronaut-gradle-plugin = "4.4.3"
 groovy = "4.0.15"
 spock = "2.3-groovy-4.0"
@@ -14,11 +14,11 @@ bcpkix-jdk15on = "1.70"
 kotlin = "1.9.25"
 
 micronaut-logging = "1.4.0"
-micronaut-reactor = "3.5.0"
-micronaut-serde = "2.11.0"
+micronaut-reactor = "3.6.0"
+micronaut-serde = "2.12.0"
 micronaut-test = "4.4.0"
 micronaut-test-resources="2.6.2"
-micronaut-validation = "4.7.0"
+micronaut-validation = "4.8.0"
 
 [libraries]
 # Core