fix(deps): update dependency org.openapitools:jackson-databind-nullable to v0.2.9 (#76)

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

Author: renovate[bot]

settings.gradle.kts

@@ -36,7 +36,7 @@ dependencyResolutionManagement {
             library("jackson-databind",    "com.fasterxml.jackson.core", "jackson-databind").withoutVersion()
             library("jackson-datatype-jsr310", "com.fasterxml.jackson.datatype", "jackson-datatype-jsr310").withoutVersion()
 
-            library("jackson-databind-nullable", "org.openapitools", "jackson-databind-nullable").version("0.2.8")
+            library("jackson-databind-nullable", "org.openapitools", "jackson-databind-nullable").version("0.2.9")
             library("jakarta-annotation-api", "jakarta.annotation", "jakarta.annotation-api").versionRef("jakarta-annotation")