chore: pinned estroz/rerun-actions version

[hbelmiro]

This PR sets a pinned version for estroz/rerun-actions.

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[google-oss-prow[bot]]

Skipping CI for Draft Pull Request. If you want CI signal for your change, please convert it to an actual PR. You can still manually trigger a test run with /test all

[HumairAK]

Thanks!

/lgtm /approve

[google-oss-prow[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: HumairAK

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