Bump hadoop-client from 2.6.0 to 2.7.0 in /code/TestSpark#5

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dependabot/maven/code/TestSpark/org.apache.hadoop-hadoop-client-2.7.0TALKDATA/JavaBigData:dependabot/maven/code/TestSpark/org.apache.hadoop-hadoop-client-2.7.0Copy head branch name to clipboard