Doc url changes

[Bannermanj]

Description

Update all HCC documentation links on the Integrations Overview page and shared header to the new JTBD URL structure ahead of the September 16 docs migration.

RHCLOUD-51016

• 10 docs URLs updated across SourcesHeader.js and Overview/index.js
• Replaces bot PR RHCLOUD-51016: Update documentation URLs to new docs structure #1523 with a more complete set of changes (includes shared header and Virtual Assistant links the bot missed)
• Part of epic RHCLOUD-49443

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Screenshots

N/A — URL-only changes, no visual impact.

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Checklist ☑️

• PR only fixes one issue or story
• Change reviewed for extraneous code
• UI best practices adhered to
• Commits squashed and meaningfully named
• All PR checks pass locally (build, lint, test, E2E)

• (Optional) QE: Needs QE attention (OUIA changed, perceived impact to tests, no test coverage)
• (Optional) QE: Has been mentioned
• (Optional) UX: Needs UX attention (end user UX modified, missing designs)
• (Optional) UX: Has been mentioned

[coderabbitai]

Important

• 🔍 Trigger review

This repository does not receive automatic reviews because it has fewer than 10 stars.

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Advanced

Run ID: 740b7f96-07a3-4a09-aa27-f04f3708a1c2

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_{Comment @coderabbitai help to get the list of available commands.}

[github-actions]

Chromatic Build

	Link
Storybook	https://69aac3ff9c5deda93c28833d-almkwfkucm.chromatic.com/
Build	https://www.chromatic.com/build?appId=69aac3ff9c5deda93c28833d&number=121