feat: 2026 migration

[serkodev]

Types of changes

Thanks for sending a pull request! Please fill in the following content to let us know better about this change.
Please put an x in the box that applies

• Bugfix
• New feature
• Refactoring
• Breaking change (any change that would cause existing functionality to not work as expected)
• Documentation Update
• Other (please describe)

Description

Migrate from 2025 to 2026

Ref #1214

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.60%. Comparing base (c790f56) to head (2c4900b).
⚠️ Report is 8 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1268   +/-   ##
=======================================
  Coverage   74.60%   74.60%           
=======================================
  Files          84       84           
  Lines        3186     3186           
=======================================
  Hits         2377     2377           
  Misses        809      809           

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[uranusjr]

The Python part lgtm. Did not check the front end assets and templates (I assume they are mostly copied anyway)