fix(deps): update dependency io.micronaut.reactor:micronaut-reactor-bom to v3.4.1 (#787)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -22,7 +22,7 @@ micronaut-grpc = "4.5.0"
 micronaut-logging = "1.2.2"
 micronaut-r2dbc = "5.5.0"
 micronaut-rxjava2 = "2.4.0"
-micronaut-reactor = '3.3.0'
+micronaut-reactor = '3.4.1'
 micronaut-serde = "2.10.2"
 micronaut-sql = "5.7.0"
 micronaut-validation = "4.6.1"