[maven-release-plugin] prepare for next development iteration

Author: langecode

pom.xml

@@ -5,7 +5,7 @@
 
     <name>Swagger Maven Plugin</name>
     <groupId>io.openapitools.swagger</groupId>
-    <version>2.1.6</version>
+    <version>2.1.7-SNAPSHOT</version>
     <artifactId>swagger-maven-plugin</artifactId>
     <packaging>maven-plugin</packaging>
 
@@ -32,7 +32,7 @@
         <connection>scm:git:https://github.com/openapi-tools/swagger-maven-plugin.git</connection>
         <developerConnection>scm:git:https://github.com/openapi-tools/swagger-maven-plugin.git</developerConnection>
         <url>https://github.com/openapi-tools/swagger-maven-plugin/tree/master</url>
-        <tag>v2.1.6</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>