Update release notes

Author: cowtowncoder

release-notes/CREDITS-2.x

@@ -117,3 +117,7 @@ Yanming Zhou (quaff@github)
 * Reported #188: Unexpected `MismatchedInputException` for `byte[]` value bound to `String`
   in collection/array
  (2.10.1)
+
+Zack Slayton (zslayton@github)
+* Reported, contributed fix for #189: IonObjectMapper close()s the provided IonWriter unnecessarily
+ (2.10.2)

release-notes/VERSION-2.x

@@ -8,6 +8,12 @@ Project: jackson-datatypes-binaryModules:
 === Releases ===
 ------------------------------------------------------------------------
 
+2.10.2 (not yet released)
+
+#189: IonObjectMapper close()s the provided IonWriter unnecessarily
+ (reported, fix contributed by Zack S)
+- ion-java dependency 1.4.0 -> 1.5.1
+
 2.10.1 (09-Nov-2019)
 
 #185: Internal parsing of tagged arrays can lead to stack overflow