chore: increase timeout for nodejs test

[purelind]

increase timeout for nodejs test

[ti-chi-bot]

I have already done a preliminary review for you, and I hope to help you do a better job.

Based on the pull request, the key change is to increase the timeout for Node.js test from 60 minutes to 75 minutes. The change is made in three files under the pipelines/pingcap/tidb directory.

There are no potential problems or issues identified in the pull request, and the change seems appropriate.

However, it could be helpful to add a comment explaining why the timeout needs to be increased. It might also be a good idea to review the overall timeout settings for the pipeline and verify that the new timeout aligns with the overall pipeline timeout strategy.

Overall, the change seems appropriate, and my suggestion would be to approve the pull request after adding a comment about the reason for the change.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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