[FLINK-33956] Bump org.apache.zookeeper:zookeeper from 3.7.1 to 3.7.2

[dependabot[bot]]

Bumps org.apache.zookeeper:zookeeper from 3.7.1 to 3.7.2.

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CI report:

• cd034a133f759e941f3f99c694a346e627672c61 Azure: FAILURE

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[MartijnVisser]

Merging this PR is blocked on the new Flink Shaded release CC @snuyanzin