fix(deps): update dependency io.micronaut:micronaut-core-bom to v4.7.3 (#967)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -15,7 +15,7 @@ jetbrains-annotations = "24.1.0"
 jmh = "1.37"
 groovy = "4.0.22"
 
-micronaut = "4.7.2"
+micronaut = "4.7.3"
 micronaut-platform = "4.6.3"
 micronaut-docs = "2.0.0"
 micronaut-test = "4.5.0"