website/docs: add missing breaking change due to APPEND_SLASH

[BeryJu]

Details

REPLACE ME

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Checklist

• Local tests pass (ak test authentik/)
• The code has been formatted (make lint-fix)

If an API change has been made

• The API schema has been updated (make gen-build)

If changes to the frontend have been made

• The code has been formatted (make web)
• The translation files have been updated (make i18n-extract)

If applicable

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

[netlify]

✅ Deploy Preview for authentik-storybook canceled.

Name	Link
🔨 Latest commit	246cb4f
🔍 Latest deploy log	https://app.netlify.com/sites/authentik-storybook/deploys/653d2f02c26ade0008bd8a3e

[netlify]

✅ Deploy Preview for authentik ready!

Name	Link
🔨 Latest commit	246cb4f
🔍 Latest deploy log	https://app.netlify.com/sites/authentik/deploys/653d2f022be2440008ee1615
😎 Deploy Preview	https://deploy-preview-7360--authentik.netlify.app
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Lighthouse	1 paths audited Performance: 93 (🔴 down 3 from production) Accessibility: 90 (no change from production) Best Practices: 100 (no change from production) SEO: 80 (no change from production) PWA: - View the detailed breakdown and full score reports

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4a57c6f) 91.14% compared to head (246cb4f) 91.13%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7360      +/-   ##
==========================================
- Coverage   91.14%   91.13%   -0.02%     
==========================================
  Files         587      587              
  Lines       28911    28911              
==========================================
- Hits        26351    26347       -4     
- Misses       2560     2564       +4     

Flag	Coverage Δ
e2e	50.89% <ø> (-0.02%)	⬇️
unit	89.60% <ø> (ø)

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see 3 files with indirect coverage changes

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