Update swagger.version to v2.2.40

Author: renovate[bot]

pom.xml

@@ -91,7 +91,7 @@
         <maven.release-plugin.version>3.1.1</maven.release-plugin.version>
         <maven.resources-plugin.version>3.3.1</maven.resources-plugin.version>
         <openapi-generator.version>7.16.0</openapi-generator.version>
-        <swagger.version>2.2.39</swagger.version>
+        <swagger.version>2.2.40</swagger.version>
         <!-- ... -->
         <hibernate-validator.version>6.2.5.Final</hibernate-validator.version>
         <jakarta.el-api.version>3.0.4</jakarta.el-api.version>