[SPARK-45393][BUILD][FOLLOWUP] Update IsolatedClientLoader fallback H…

…adoop version to 3.4.0

### What changes were proposed in this pull request?

Update IsolatedClientLoader fallback Hadoop version to 3.4.0

### Why are the changes needed?

Sync with the default Hadoop version

### Does this PR introduce _any_ user-facing change?

No

### How was this patch tested?

Pass GA.

### Was this patch authored or co-authored using generative AI tooling?

No

Closes apache#45628 from pan3793/SPARK-45393-followup.

Authored-by: Cheng Pan <[email protected]>
Signed-off-by: Dongjoon Hyun <[email protected]>

sql/hive/src/main/scala/org/apache/spark/sql/hive/client/IsolatedClientLoader.scala

@@ -66,7 +66,7 @@ private[hive] object IsolatedClientLoader extends Logging {
           case e: RuntimeException if e.getMessage.contains("hadoop") =>
             // If the error message contains hadoop, it is probably because the hadoop
             // version cannot be resolved.
-            val fallbackVersion = "3.3.6"
+            val fallbackVersion = "3.4.0"
             logWarning(s"Failed to resolve Hadoop artifacts for the version $hadoopVersion. We " +
               s"will change the hadoop version from $hadoopVersion to $fallbackVersion and try " +
               "again. It is recommended to set jars used by Hive metastore client through " +