[WIP]: master: add v8.5.5 info

[qiancai]

What is changed, added or deleted? (Required)

For changes introduced in v8.5.5, this PR adds v8.5.5 to the corresponding doc.

Which TiDB version(s) do your changes apply to? (Required)

Tips for choosing the affected version(s):

By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.

For details, see tips for choosing the affected versions (in Chinese).

• master (the latest development version)
• v9.0 (TiDB 9.0 versions)
• v8.5 (TiDB 8.5 versions)
• v8.1 (TiDB 8.1 versions)
• v7.5 (TiDB 7.5 versions)
• v7.1 (TiDB 7.1 versions)
• v6.5 (TiDB 6.5 versions)
• v6.1 (TiDB 6.1 versions)
• v5.4 (TiDB 5.4 versions)

What is the related PR or file link(s)?

• This PR is translated from:
• Other reference link(s): v8.5.5: ticdc: add header line for CSV protocol (#20478) #21165

Do your changes match any of the following descriptions?

• Delete files
• Change aliases
• Need modification after applied to another branch
• Might cause conflicts after applied to another branch

[ti-chi-bot]

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[wk989898]

Suggested change

	output-field-header = false # 从 v8.5.5 和 v9.0.0 开始引入
	output-field-header = false # 从 v8.5.5 开始引入

[ti-chi-bot]

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