Update dependency org.openrewrite.rewrite to v6.1.9

Author: renovate[bot]

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ arrow = "1.1.6-alpha.91"
 rewrite-kotlin = "0.4.1"
 rewrite = "7.40.8"
 rewrite-testing = "1.37.0"
-openrewrite = "6.0.0"
+openrewrite = "6.1.9"
 assertj = "3.24.2"
 kotlin = "1.8.21"
 nexus = "1.3.0"