Merge ion/pom.xml change

Author: cowtowncoder

ion/pom.xml

@@ -38,7 +38,7 @@ tree model)
     <dependency>
       <groupId>com.amazon.ion</groupId>
       <artifactId>ion-java</artifactId>
-      <version>1.11.10</version>
+      <version>1.11.11</version>
     </dependency>
 
     <!-- Extends Jackson core, databind -->

release-notes/VERSION-2.x

@@ -22,6 +22,7 @@ Active maintainers:
  (fix by Vincent E)
 #616: CBOR text gets truncated on decoding
  (reported, fix contributed by Manuel S)
+#623: (ion) Upgrade `ion-java` dep to 1.11.11 (from 1.11.10)
 
 2.20.0 (28-Aug-2025)