Bump org.apache.hadoop:hadoop-azure in /DataProcessing/datax-host (#1353)

Bumps org.apache.hadoop:hadoop-azure from 3.3.6 to 3.4.0.

---
updated-dependencies:
- dependency-name: org.apache.hadoop:hadoop-azure
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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DataProcessing/datax-host/pom.xml

@@ -158,7 +158,7 @@ SOFTWARE
         <dependency>
             <groupId>org.apache.hadoop</groupId>
             <artifactId>hadoop-azure</artifactId>
-            <version>3.3.6</version>
+            <version>3.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.mortbay.jetty</groupId>