website/docs: release notes: add endpoint device links to 2025.12 notes (cherry-pick #18940 to version-2025.12)

[authentik-automation]

Cherry-pick of #18940 to version-2025.12 branch.

Original PR: #18940
Original Author: @dewi-tik
Cherry-picked commit: 81771ce

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[netlify]

✅ Deploy Preview for authentik-docs ready!

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.22%. Comparing base (bbf31e9) to head (38ba96b).
⚠️ Report is 1 commits behind head on version-2025.12.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@               Coverage Diff                @@
##           version-2025.12   #18947   +/-   ##
================================================
  Coverage            93.22%   93.22%           
================================================
  Files                  946      946           
  Lines                51951    51951           
================================================
+ Hits                 48431    48432    +1     
+ Misses                3520     3519    -1     

Flag	Coverage Δ
e2e	44.76% <ø> (+<0.01%)	⬆️
integration	23.26% <ø> (+<0.01%)	⬆️
unit	91.49% <ø> (+<0.01%)	⬆️
unit-migrate	91.53% <ø> (+<0.01%)	⬆️

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[github-actions]

authentik PR Installation instructions

Instructions for docker-compose

Add the following block to your .env file:

AUTHENTIK_IMAGE=ghcr.io/goauthentik/dev-server
AUTHENTIK_TAG=gh-38ba96b0ae042d385ff8e8fc005c328bc143502e
AUTHENTIK_OUTPOSTS__CONTAINER_IMAGE_BASE=ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s

Afterwards, run the upgrade commands from the latest release notes.

Instructions for Kubernetes

Add the following block to your values.yml file:

authentik:
    outposts:
        container_image_base: ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s
global:
    image:
        repository: ghcr.io/goauthentik/dev-server
        tag: gh-38ba96b0ae042d385ff8e8fc005c328bc143502e

Afterwards, run the upgrade commands from the latest release notes.