*: update gin to v1.9.1 for security reason

[mornyx]

Refs:

• https://github.com/xiabee/tidb-dashboard-security-test/pull/11

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[codecov[bot]]

Codecov Report

Merging #1616 (003b536) into master (7cf9941) will decrease coverage by 0.01%. The diff coverage is n/a.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1616 +/- ## ========================================== - Coverage 24.59% 24.58% -0.01% ========================================== Files 169 169 Lines 15299 15299 ========================================== - Hits 3763 3762 -1 - Misses 11253 11254 +1 Partials 283 283 ``` | [Flag](https://app.codecov.io/gh/pingcap/tidb-dashboard/pull/1616/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | Coverage Δ | | |---|---|---| | [backend_integration](https://app.codecov.io/gh/pingcap/tidb-dashboard/pull/1616/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `9.23% <ø> (ø)` | | | [backend_ut](https://app.codecov.io/gh/pingcap/tidb-dashboard/pull/1616/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `26.40% <ø> (-0.01%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap#carryforward-flags-in-the-pull-request-comment) to find out more. ------ [Continue to review full report in Codecov by Sentry](https://app.codecov.io/gh/pingcap/tidb-dashboard/pull/1616?src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap). > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) > `Δ = absolute (impact)`, `ø = not affected`, `? = missing data` > Powered by [Codecov](https://app.codecov.io/gh/pingcap/tidb-dashboard/pull/1616?src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap). Last update [7cf9941...003b536](https://app.codecov.io/gh/pingcap/tidb-dashboard/pull/1616?src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap).

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: baurine

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/pingcap/tidb-dashboard/blob/master/OWNERS)~~ [baurine] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2023-11-27 02:19:14.055356337 +0000 UTC m=+802782.720582533: :ballot_box_with_check: agreed by baurine.