fix(docs): repoint references to the relocated contributing guide

[hyperpolymath]

fix(docs): repoint references to the relocated contributing guide

The guide moved to .github/CONTRIBUTING.md; these references still resolved
against the old root location and 404 from where they are written. Rewritten
using the correct relative depth.

• SECURITY.adoc: CONTRIBUTING.md -> .github/CONTRIBUTING.md

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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Configuration used: Organization UI

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Plan: Advanced

Run ID: 931d7b66-b061-4fb3-8d88-022770d95a19

📥 Commits

Reviewing files that changed from the base of the PR and between 53a19ac and bfb9223.

📒 Files selected for processing (1)

• SECURITY.adoc

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📜 Recent review details

⏰ Context from checks skipped due to timeout. (21)

• GitHub Check: governance / Well-Known (RFC 9116 + RSR)
• GitHub Check: governance / Workflow security linter
• GitHub Check: governance / Check Workflow Staleness
• GitHub Check: governance / Allowlist Preflight
• GitHub Check: governance / Licence consistency
• GitHub Check: governance / Debt ratchet
• GitHub Check: governance / Trusted-base reduction policy
• GitHub Check: governance / Guix packaging policy (Nix retired)
• GitHub Check: governance / Actions lockfile verify
• GitHub Check: governance / Security policy checks
• GitHub Check: governance / Live Actions policy (credentialed advisory)
• GitHub Check: governance / Exemption ratchet
• GitHub Check: governance / Code quality + docs
• GitHub Check: governance / Language / package anti-pattern policy
• GitHub Check: scan / shell-secrets
• GitHub Check: scan / gitleaks
• GitHub Check: scan / Hypatia Neurosymbolic Analysis
• GitHub Check: scan / rust-secrets
• GitHub Check: Groove manifest check
• GitHub Check: analyze (actions, none)
• GitHub Check: Gateway latency benchmark

🔇 Additional comments (1)

SECURITY.adoc (1)

400-400: LGTM!

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📝 Summary

Summary by CodeRabbit

• Documentation
  • Updated the security policy’s “Contributing Guidelines” link to point to the correct contribution guidance.

Walkthrough

The security policy now points its “Contributing Guidelines” link to .github/CONTRIBUTING.md.

Changes

Security documentation

Layer / File(s)	Summary
Update contributing guidelines link SECURITY.adoc	The “Contributing Guidelines” link now references .github/CONTRIBUTING.md instead of CONTRIBUTING.md.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~2 minutes

Change: Bug fix

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the documentation fix. It identifies that references to the relocated contributing guide must be updated.
Description check	✅ Passed	The description directly explains the broken link, the relocated file, and the change in SECURITY.adoc. It matches the pull request changes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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