[jira] [Created] (FLINK-22330) Bumps checkstyle, junit, log4j version for security

[Shang Yuanchun (Jira)]

Brandon Jiang created FLINK-22330:
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             Summary: Bumps checkstyle, junit, log4j version for security
                 Key: FLINK-22330
                 URL: https://issues.apache.org/jira/browse/FLINK-22330
             Project: Flink
          Issue Type: Improvement
    Affects Versions: 1.12.2
            Reporter: Brandon Jiang






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