In response to the announcement of Oga’s Cantina for Star Wars: Galaxy's Edge at Disneyland, a Walt Disney Imagineer publicly confirmed the location would serve alcohol:

Quote Originally Posted by Scott Trowbridge, Portfolio Creative Executive, Walt Disney Imagineering

We are developing a specialty cocktail (non-alcohol- and alcohol-based) menu that will include creatively themed custom cocktails, and proprietary beer and wine options.
Outside of the private Club 33 complex, this addition is set to break the 63 year 'dry' tradition of Disneyland park.