ci: release tag: fix missing env variables (cherry-pick #16172)

[rissson]

…#16158)<!--
👋 Hi there! Welcome.

Please check the Contributing guidelines: https://docs.goauthentik.io/docs/developer-docs/#how-can-i-contribute
-->

Details

REPLACE ME

---

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)

If applicable

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

[netlify]

✅ Deploy Preview for authentik-docs ready!

Name	Link
🔨 Latest commit	67d9e78
🔍 Latest deploy log	https://app.netlify.com/projects/authentik-docs/deploys/689ce6856b770500080955aa
😎 Deploy Preview	https://deploy-preview-16173--authentik-docs.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify project configuration.

[netlify]

✅ Deploy Preview for authentik-integrations canceled.

Name	Link
🔨 Latest commit	67d9e78
🔍 Latest deploy log	https://app.netlify.com/projects/authentik-integrations/deploys/689ce68539153d0008791cff

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.82%. Comparing base (d94219e) to head (67d9e78).
⚠️ Report is 1 commits behind head on version-2025.8.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@                Coverage Diff                 @@
##           version-2025.8   #16173      +/-   ##
==================================================
+ Coverage           92.76%   92.82%   +0.05%     
==================================================
  Files                 836      836              
  Lines               45166    45166              
==================================================
+ Hits                41899    41924      +25     
+ Misses               3267     3242      -25     

Flag	Coverage Δ
e2e	46.67% <ø> (+0.08%)	⬆️
integration	23.59% <ø> (+<0.01%)	⬆️
unit	90.91% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.