fix: fix pod file path

[purelind]

No description provided.

[ti-chi-bot]

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

Key Changes:

• The file pipelines/pingcap/tiflash/release-6.5/pull_integration_test.groovy was modified.
• The variable POD_INTEGRATIONTEST_TEMPLATE_FILE was changed from pipelines/pingcap/release-6.5/pod-pull_integration_test.yaml to pipelines/pingcap/tiflash/release-6.5/pod-pull_integration_test.yaml.

Potential Problems:

• There are no major potential problems with this pull request, as it is a simple fix for a file path.

Fixing Suggestions:

• The change seems to be correct as it is, and there are no apparent issues with the code. Therefore, the pull request can be merged as is, assuming it has passed all relevant tests and reviews.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

Approval requirements bypassed by manually added approval.

This pull-request has been approved by:

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• pipelines/OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[wuhuizuo]

/retest