add 5.3.4 release notes

[shichun-0415]

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• v5.2 (TiDB 5.2 versions)
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[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• lichunzhu
• ran-huang

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[v01dstar]

LGTM

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #11423.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #11424.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #11425.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #11426.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #11427.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #11428.