Bump hadoop-common from 2.9.1 to 3.2.3 in /examples

Bumps hadoop-common from 2.9.1 to 3.2.3.

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/examples/pom.xml b/examples/pom.xml
index bf8100a..6b29c0c 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -188,7 +188,7 @@
         <dependency>
             <groupId>org.apache.hadoop</groupId>
             <artifactId>hadoop-common</artifactId>
-            <version>2.9.1</version>
+            <version>3.2.3</version>
             <exclusions>
                 <exclusion>
                     <groupId>com.google.protobuf</groupId>