Add a release note about the mandatory warnings (i.e. warnings which cannot be disabled) in 1.3.0 for deprecated features.
Add a release note about the mandatory warnings (i.e. warnings
which cannot be disabled) in 1.3.0 for deprecated features.

Distrotech/scons,Distrotech/scons,Distrotech/scons,Distrotech/scons,Distrotech/scons