Add canonical links to 3.6

[kolchfa-aws]

Add canonical links to 3.6

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[peterzhuamazon]

Thanks @kolchfa-aws need to resolve conflict.

Can we first merge https://github.com/opensearch-project/documentation-website/pull/12217/changes and wait for its completion to ensure it is working before merging this one?

Thanks.