tikv: Fix RawKV CDC link

[pingyu]

Signed-off-by: Ping Yu yuping@pingcap.com

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What is changed, added or deleted? (Required)

Fix link of RawKV CDC. See rendered.

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[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• Oreoxmt
• shichun-0415

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[pingyu]

@Oreoxmt @shichun-0415 PTAL, thanks~

[Oreoxmt]

LGTM

[shichun-0415]

LGTM

[Oreoxmt]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 321765c

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #11354.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #11355.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #11356.