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Area

docs

Describe the bug

There is a moved link in developer.mozilla.org that is making the documentation CI fail. For example: https://github.com/rmartinc/keycloak/actions/runs/19922175822/job/57113134091

[INFO] 
[INFO] Results:
[INFO] 
Error:  Failures: 
Error:    ExternalLinksTest.checkExternalLinks:41 Broken links (1) in guide 'upgrading': 
		- https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts (invalid redirect to /en-US/docs/Web/Security/Defenses/Secure_Contexts)

It's just changing to the new URL.

Version

999.0.0-SNAPSHOT

Regression

[ ] The issue is a regression

Expected behavior

Docs CI should work.

Actual behavior

CI fails.

How to Reproduce?

cd docs/documentation
mvn clean install

Anything else?

No response