prepare for 2.9.8

pom.xml

diff --git a/pom.xml b/pom.xml
index d640897..56919ec 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <groupId>com.fasterxml.jackson</groupId>
     <!-- this is one of few Jackson modules that depends on parent and NOT jackson-bom -->
     <artifactId>jackson-parent</artifactId>
-    <version>2.9.1</version>
+    <version>2.9.1.2</version>
   </parent>
 
   <groupId>com.fasterxml.jackson.core</groupId>
@@ -45,7 +45,6 @@
     </dependency>
   </dependencies>
 
-
   <build>
     <plugins>
       <!-- 06-Sep-2017, tatu: Try to generate "automatic module name" -->