fix: update lifelines to fix scipy.integrate.trapz compatibility

Co-authored-by: derrynknife <18457108+derrynknife@users.noreply.github.com>

Author: google-labs-jules[bot]

requirements.txt

@@ -1,6 +1,6 @@
 # Production requirements
 # For development, use requirements_dev.txt instead
-lifelines==0.27.4
+lifelines>=0.28.0
 numba==0.56.4
 numpy-indexed==0.3.5
 reliability==0.8.6