Deploy latest version to Hex

[whossname]

I'm not 100% sure of this, but I am seeing some warnings that look like they were fixed in the previous pull request:

warning: variable "package" does not exist and is being expanded to "package()", please use parentheses to remove the ambiguity or change the variable name
  /server/deps/ex_azure/mix.exs:10

warning: variable "client" does not exist and is being expanded to "client()", please use parentheses to remove the ambiguity or change the variable name
  lib/ex_azure.ex:45

Additionally I am seeing these warnings (mostly depreciated functions):

warning: Dict.put_new/3 is deprecated, use the Map module for working with maps or the Keyword module for working with keyword lists
  lib/ex_azure.ex:13

warning: Dict.put_new/3 is deprecated, use the Map module for working with maps or the Keyword module for working with keyword lists
  lib/ex_azure.ex:12

warning: Dict.get/3 is deprecated, use the Map module for working with maps or the Keyword module for working with keyword lists
  lib/ex_azure.ex:45

warning: function :erlazure.start/2 is undefined (module :erlazure is not available)
  lib/ex_azure/server.ex:14