chore(docs): update of OEL images

[ory-bot]

Update OEL images

Summary by CodeRabbit

• Documentation
  • Added v26.2.8 changelog entries documenting security improvements across Keto, Kratos, Oathkeeper, and OAuth2 components, including SSRF protection enhancements that prevent error messages from revealing internal IP addresses.
  • Documented fix for CockroachDB installations where OAuth2 endpoints returned conflict errors during initial setup.
  • Published v26.2.8 image tag documentation for all self-hosted components.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 85a97db7-cb5a-486b-8417-41275963072d

📥 Commits

Reviewing files that changed from the base of the PR and between 8134465 and 2c27d4f.

📒 Files selected for processing (10)

• docs/self-hosted/oel/keto/changelog/v26.2.8.md
• docs/self-hosted/oel/kratos/changelog/v26.2.8.md
• docs/self-hosted/oel/oathkeeper/changelog/v26.2.8.md
• docs/self-hosted/oel/oauth2/changelog/v26.2.8.md
• docs/self-hosted/oel/oel-hydra-image-tags.md
• docs/self-hosted/oel/oel-keto-image-tags.md
• docs/self-hosted/oel/oel-kratos-image-tags.md
• docs/self-hosted/oel/oel-oathkeeper-image-tags.md
• docs/self-hosted/oel/oel-polis-image-tags.md
• docs/self-hosted/oel/polis/changelog/v26.2.8.md

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📝 Walkthrough

Walkthrough

This pull request introduces changelog entries and image tag documentation for version 26.2.8 across multiple OEL components, documenting SSRF protection improvements and OAuth2 fixes.

Changes

Cohort / File(s)	Summary
Changelog Entries docs/self-hosted/oel/keto/changelog/v26.2.8.md, docs/self-hosted/oel/kratos/changelog/v26.2.8.md, docs/self-hosted/oel/oathkeeper/changelog/v26.2.8.md	New changelog entries documenting SSRF protection improvements that prevent error messages from revealing internal IP addresses when hostnames resolve to internal IPs.
OAuth2/Hydra Changelog docs/self-hosted/oel/oauth2/changelog/v26.2.8.md	New changelog entry documenting a fix for CockroachDB v26.1 fresh installs where Hydra returned 409 Conflict on first /.well-known/jwks.json request, plus SSRF protection improvements and a new migration for phantom indexes.
Polis Changelog docs/self-hosted/oel/polis/changelog/v26.2.8.md	Placeholder changelog file indicating no entries for Polis in v26.2.8.
Image Tag Documentation docs/self-hosted/oel/oel-hydra-image-tags.md, docs/self-hosted/oel/oel-keto-image-tags.md, docs/self-hosted/oel/oel-kratos-image-tags.md, docs/self-hosted/oel/oel-oathkeeper-image-tags.md, docs/self-hosted/oel/oel-polis-image-tags.md	New table entries for image tag 26.2.8 with release date 2026-04-28 across all OEL components.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

Suggested reviewers

• vinckr
• aeneasr
• unatasha8
• adamwalach

Poem

🐰 Version v26.2.8 hops into view,
With SSRF shields preventing prying through,
IP secrets safely tucked away,
Changelogs and tags all bright as day!
A documentation hop of pure delight,
Our services now more secure and tight! 🔒

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The PR description is minimal and does not follow the provided template, which requires sections for issue references, breaking changes documentation, and a checklist.	Expand the description to include the template sections: add details about what changed, link any related issues, document breaking changes if applicable, and complete the contribution checklist.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: updating documentation for OEL images across multiple services (Keto, Kratos, Oathkeeper, OAuth2/Hydra, and Polis).
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch oel-version-update

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