Bump org.apache.avro:avro from 1.5.3 to 1.11.3 in /avro-1.5.3

Bumps org.apache.avro:avro from 1.5.3 to 1.11.3.

---
updated-dependencies:
- dependency-name: org.apache.avro:avro
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/avro-1.5.3/pom.xml b/avro-1.5.3/pom.xml
index 464d8a3..6f49778 100644
--- a/avro-1.5.3/pom.xml
+++ b/avro-1.5.3/pom.xml
@@ -38,7 +38,7 @@
     <properties>
         <pkgGroupId>org.apache.avro</pkgGroupId>
         <pkgArtifactId>avro</pkgArtifactId>
-        <pkgVersion>1.5.3</pkgVersion>
+        <pkgVersion>1.11.3</pkgVersion>
         <servicemix.osgi.export>
             !org.apache.avro.ipc;version="${project.version}",
             org.apache.avro*;version="${project.version}";-noimport:=true;-split-package:=merge-first