bump codegen-generators to 1.0.57

Author: djankows

pom.xml

@@ -1104,7 +1104,7 @@
     </dependencyManagement>
     <properties>
         <maven.compiler.release>8</maven.compiler.release>
-        <swagger-codegen-generators-version>1.0.56</swagger-codegen-generators-version>
+        <swagger-codegen-generators-version>1.0.57</swagger-codegen-generators-version>
         <swagger-core-version>2.2.37</swagger-core-version>
         <swagger-core-version-v1>1.6.16</swagger-core-version-v1>
         <swagger-parser-version>2.1.34</swagger-parser-version>