multiple warnings

[silva96]

warning: variable "deps" does not exist and is being expanded to "deps()", please use parentheses to remove the ambiguity or change the variable name
 /app/deps/dotenv/mix.exs:8

warning: variable "find_env_path" does not exist and is being expanded to "find_env_path()", please use parentheses to remove the ambiguity or change the variable name
 lib/dotenv.ex:145

 warning: Dict.merge/2 is deprecated. Use the Map module for working with maps or the Keyword module for working with keyword lists
 lib/dotenv.ex:114

warning: HashDict.get/3 is deprecated. Use maps and the Map module instead
 Found at 2 locations:
 lib/dotenv/env.ex:14
 lib/dotenv/env.ex:18

warning: HashDict.new/0 is deprecated. Use maps and the Map module instead
| Found at 3 locations:
 lib/dotenv.ex:118
  lib/dotenv.ex:127
  lib/dotenv/env.ex:3

warning: HashDict.put/3 is deprecated. Use maps and the Map module instead
  lib/dotenv.ex:131