CI fix

Author: rambleraptor

.github/workflows/python-ci-polaris.yml

@@ -48,6 +48,8 @@ jobs:
         uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
+      - name: Install system dependencies
+        run: sudo apt-get update && sudo apt-get install -y libkrb5-dev # for kerberos
       - name: Install
         run: make install
       - name: Run Polaris integration tests