Consul Docs: Connection, ConcurrentRequests, PendingRequest limits

[LakshmiNarayananDesikan]

Description

The docs update for PR #23396

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Review urgency:

• ASAP: Bug fixes, broken content, imminent releases
• 3 days: Small changes, easy reviews
• 1 week: Default expectation
• Best effort: No urgency

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• Verify that the PR is set to merge into the correct base branch
• Verify that all status checks passed
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• I added redirects for any moved or removed pages
• I followed the Education style guide
• I looked at the local or Vercel build to make sure the content rendered correctly

Reviewer checklist

• This PR is set to merge into the correct base branch.
• The content does not contain technical inaccuracies.
• The content follows the Education content and style guides.
• I have verified and tested changes to instructions for end users.

[github-actions]

Vercel Previews Deployed

Name	Status	Preview	Updated (UTC)
Dev Portal	✅ Ready (Inspect)	Visit Preview	Wed Apr 22 06:27:07 UTC 2026
Unified Docs API	✅ Ready (Inspect)	Visit Preview	Wed Apr 22 06:22:41 UTC 2026

[github-actions]

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This PR contains broken links, but won't be blocked. Use this report to improve content quality:

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• Internal links (HashiCorp sites): Please fix these - they impact user experience
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[aimeeu]

Thanks for the new PR! I changed the base branch to Jeff's 2.0 release notes PR so I can see all the 2.0 content updates in a single PR before I merged to the 2.0 branch.