Update plugin io.micronaut.application to v4.5.4

Author: renovate[bot]

settings.gradle.kts

@@ -4,7 +4,7 @@ pluginManagement {
     plugins {
         id("java")
         id("io.micronaut.library").version("4.5.3")
-        id("io.micronaut.application").version("4.5.3")
+        id("io.micronaut.application").version("4.5.4")
         id("io.freefair.lombok").version("8.13.1")
         id("org.sonarqube").version("6.2.0.5505")
         id("org.openapi.generator").version("7.13.0")