website/docs: add info and link about supported versions

[tanberry]

Changed terms about "dedicated support" and added info about supported versions.

• The documentation has been updated
• The documentation has been formatted (make website)

[netlify]

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[netlify]

✅ Deploy Preview for authentik-docs ready!

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[notion-workspace]

Document that we support/test one level back

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.62%. Comparing base (b818870) to head (cc17f15).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #10442   +/-   ##
=======================================
  Coverage   92.62%   92.62%           
=======================================
  Files         714      714           
  Lines       35014    35014           
=======================================
+ Hits        32432    32433    +1     
+ Misses       2582     2581    -1     

Flag	Coverage Δ
e2e	49.61% <ø> (-0.03%)	⬇️
integration	25.36% <ø> (ø)
unit	90.11% <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-ghcr.io/goauthentik/dev-server:gh-cc17f156ef61ba9a61239641b6ddabb287fb8182
AUTHENTIK_OUTPOSTS__CONTAINER_IMAGE_BASE=ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s

For arm64, use these values:

AUTHENTIK_IMAGE=ghcr.io/goauthentik/dev-server
AUTHENTIK_TAG=gh-ghcr.io/goauthentik/dev-server:gh-cc17f156ef61ba9a61239641b6ddabb287fb8182-arm64
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-ghcr.io/goauthentik/dev-server:gh-cc17f156ef61ba9a61239641b6ddabb287fb8182

For arm64, use these values:

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-ghcr.io/goauthentik/dev-server:gh-cc17f156ef61ba9a61239641b6ddabb287fb8182-arm64

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