[DOCS] Add profile example for --all bundle, fix path for changelog syntax docs

[lcawl]

Relates to #2973

This PR adds an example of how to accomplish the changelog bundle --all filtering option via a profile. For now this involves passing an unused version argument, but in the long-term the issue describes a better solution for this.

This PR also moves all the changelog syntax pages from the release folder to a changelog folder, since the former was often accidentally omitted from the build due to CI that ignored release updates (e.g. the errors in #3002)

NOTE: This PR must be merged after #3008, which addresses the redirect test failures.

[coderabbitai]

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📝 Walkthrough

Walkthrough

This PR reorganizes CLI changelog documentation: files were moved from docs/cli/release/ to docs/cli/changelog/ and the changelog- filename prefix was removed. The docs/_docset.yml TOC was updated (folder: release → folder: changelog and child filenames adjusted), docs/_redirects.yml adds redirects from old /cli/release/ routes to /cli/changelog/, internal links across docs were updated, and docs/cli/release/index.md was removed and replaced by docs/cli/changelog/index.md. No code or public API changes were made.

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main changes: adding a profile example for changelog bundle --all and reorganizing docs from release to changelog folder.
Description check	✅ Passed	The description is directly related to the changeset, explaining both the profile example addition and the folder reorganization with clear context about CI issues.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch changelog-profile-docs

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[Mpdreamz]

LGTM! Nice cleanup.

For context: this PR documents how to use a profile for the equivalent of changelog bundle --all (passing an unused version arg as a workaround until requires_version: false lands per #2973), and moves the changelog docs from cli/release/ to cli/changelog/ — the old path was being silently skipped by CI filters that ignored release/ updates. The folder rename adds redirects in _redirects.yml, which depend on #3008 to fix the authoring test harness first.