bump parser version

Author: frantuma

pom.xml

@@ -253,7 +253,7 @@
     </dependencies>
     <properties>
         <swagger-codegen-version>3.0.23-SNAPSHOT</swagger-codegen-version>
-        <swagger-parser-version>2.0.22</swagger-parser-version>
+        <swagger-parser-version>2.0.23-SNAPSHOT</swagger-parser-version>
         <swagger-core-version>2.1.4</swagger-core-version>
         <jackson-version>2.10.3</jackson-version>
         <scala-version>2.11.1</scala-version>