Added manual way to search for Possible Duplicate Politicians. - #3291

Process completed with exit code 123.

politician/views_admin.py:13:31: unused-import: `django.core.cache.cache` imported but unused help: Remove unused import: `django.core.cache.cache`

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-python@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/