[v3-1-test] Fix GZipMiddleware with correct comment placement (#61538)

[jason810496]

(cherry picked from commit 54d7852)

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• Read the Pull Request Guidelines for more information. Note: commit author/co-author name and email in commits become permanently public when merged.
• For fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
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[jason810496]

Milestone Auto-Set Bot

Hi maintainer, this PR was merged without a milestone set.
We've automatically set the milestone to Airflow 3.1.8 based on the target branch.
If this milestone is not correct, please update it to the appropriate milestone.

[jason810496]

Milestone Auto-Set Bot

Hi maintainer, this PR was merged without a milestone set.
We've automatically set the milestone to Airflow 3.1.8 based on the target branch.
If this milestone is not correct, please update it to the appropriate milestone.

[jason810496]

Hi maintainer, this PR was merged without a milestone set.
We've automatically set the milestone to Airflow 3.1.8 based on the target branch.
If this milestone is not correct, please update it to the appropriate milestone.

This comment was generated by Milestone Tag Assistant.