Fixes to docs check failing on explicit anchors

[Blargian]

Summary

We merged the PR which enables checking for issues with explicit anchor tags only after merging PRs which fail this check, so they got through without being picked up.
Fixes docs check.

Checklist

• Delete items not relevant to your PR
• URL changes should add a redirect to the old URL via https://github.com/ClickHouse/clickhouse-docs/blob/main/docusaurus.config.js
• If adding a new integration page, also add an entry to the integrations list here: https://github.com/ClickHouse/clickhouse-docs/blob/main/docs/integrations/index.mdx