Update avro dep to 1.11.5 (#635)

Author: cowtowncoder

avro/pom.xml

@@ -52,7 +52,7 @@ abstractions.
     <dependency>
       <groupId>org.apache.avro</groupId>
       <artifactId>avro</artifactId>
-      <version>1.11.4</version>
+      <version>1.11.5</version>
     </dependency>
 
     <!-- and for testing we need logback -->

release-notes/VERSION-2.x

@@ -22,6 +22,7 @@ Active maintainers:
  (requested by @Shaurya0108)
 #628: Uncommon parent pom dependency configuration in Jackson 2.20/3.0
  (reported by Josh C)
+- (avro) Upgrade `avro` lib dep to 1.11.5 (from 1.11.4)
 
 2.20.1 (30-Oct-2025)