Update metadata for GraphQL docs

What does this MR do and why?

This MR updates Ecosystem:Integrations to Manage:Integrations in GraphQL docs by:

• Updating auto_generated_comment
• Running bundle exec rake gitlab:graphql:compile_docs to regenerate the docs

With Update metadata for Integrations docs merged, stage: Ecosystem now returns no results in our docs.

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MR acceptance checklist

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• I have evaluated the MR acceptance checklist for this MR.