DRILL-8459 Bump Avro to 1.11.3 (#2841)

diff --git a/pom.xml b/pom.xml
index a87d52c..9ce8895 100644
--- a/pom.xml
+++ b/pom.xml
@@ -83,7 +83,7 @@
     <javassist.version>3.29.2-GA</javassist.version>
     <msgpack.version>0.6.6</msgpack.version>
     <reflections.version>0.9.10</reflections.version>
-    <avro.version>1.11.2</avro.version>
+    <avro.version>1.11.3</avro.version>
     <metrics.version>4.2.19</metrics.version>
     <jetty.version>9.4.51.v20230217</jetty.version>
     <jersey.version>2.40</jersey.version>