Fixed the new flink container precommit

[liferoad]

Addresses #33180

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[liferoad]

Looks like I cannot trigger the new workflow file after I changed the workers to 2.

[damccorm]

Looks like I cannot trigger the new workflow file after I changed the workers to 2.

Yeah, this is a limitation of github's pull_request_target trigger. See https://github.com/apache/beam/tree/master/.github/workflows#testing-workflow-updates on how to workaround

[damccorm]

Thanks