Prepare for 2.12.6 release

Author: cowtowncoder

pom.xml

@@ -8,7 +8,7 @@
     <parent>
         <groupId>com.fasterxml.jackson</groupId>
         <artifactId>jackson-base</artifactId>
-        <version>2.12.6-SNAPSHOT</version>
+        <version>2.12.6</version>
     </parent>
     <groupId>com.fasterxml.jackson.module</groupId>
     <artifactId>jackson-module-kotlin</artifactId>

release-notes/VERSION-2.x

@@ -18,11 +18,12 @@ Co-maintainers:
 
 No changes since 2.12
 
+2.12.6 (15-Dec-2021)
 2.12.5 (27-Aug-2021)
 2.12.4 (06-Jul-2021)
 2.12.3 (12-Apr-2021)
 
-No changes since 2.12.2
+No recorded changes since 2.12.2
 
 2.12.2 (03-Mar-2021)