bump codegen to 3.0.38-SNAPSHOT

Author: frantuma

pom.xml

@@ -254,7 +254,7 @@
         </dependency>
     </dependencies>
     <properties>
-        <swagger-codegen-version>3.0.37</swagger-codegen-version>
+        <swagger-codegen-version>3.0.38-SNAPSHOT</swagger-codegen-version>
         <swagger-parser-version>2.1.11</swagger-parser-version>
         <swagger-core-version>2.2.8</swagger-core-version>
         <jackson-version>2.14.0</jackson-version>