Use Avro version from the root pom for Flink bundle

Author: CTTY

packaging/hudi-flink-bundle/pom.xml

@@ -501,8 +501,7 @@
     <dependency>
       <groupId>org.apache.avro</groupId>
       <artifactId>avro</artifactId>
-      <!-- Override the version to be same with Flink avro -->
-      <version>1.10.0</version>
+      <version>${avro.version}</version>
       <scope>compile</scope>
     </dependency>