fix(deps): update dependency io.projectreactor:reactor-core to v3.5.9 (#190)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ couchbase-client = "3.4.9"
 couchbase-client-metrics = "0.4.9"
 jackson = "2.15.2"
 arrow = "1.2.0"
-io-reactor = "3.5.8"
+io-reactor = "3.5.9"
 io-reactor-extensions = "1.2.2"
 slf4j = "2.0.7"
 kafka = "3.5.1"