Heroku: Heroku reworded 'HIPAA BAA support' to 'HIPAA compliance (BAA)' in the Shield-XL Dyno feature list.

["Includes all Private features","HIPAA BAA support","PCI compliance"] → ["Includes all Private features","HIPAA compliance (BAA)","PCI compliance"]

Heroku reworded 'HIPAA BAA support' to 'HIPAA compliance (BAA)' in the Shield-XL Dyno feature list. No other features changed.