Update go-keybase-chat-bot dependency to latest version

Author: ddworken

go.mod

@@ -4,7 +4,7 @@ go 1.12
 
 require (
 	github.com/google/uuid v1.1.1
-	github.com/keybase/go-keybase-chat-bot v0.0.0-20190730220753-8e3930228e5a
+	github.com/keybase/go-keybase-chat-bot v0.0.0-20190812134859-bc54fd9cf83b
 	github.com/stretchr/testify v1.3.0
 	github.com/urfave/cli v1.20.0
 	golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4

go.sum

@@ -4,6 +4,8 @@ github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/keybase/go-keybase-chat-bot v0.0.0-20190730220753-8e3930228e5a h1:gZKAzUClAbcGN8rEIUkqG9vXu5g9w+qLD1gA68qOX2Y=
 github.com/keybase/go-keybase-chat-bot v0.0.0-20190730220753-8e3930228e5a/go.mod h1:vNc28YFzigVJod0j5EbuTtRIe7swx8vodh2yA4jZ2s8=
+github.com/keybase/go-keybase-chat-bot v0.0.0-20190812134859-bc54fd9cf83b h1:7Te2f9LQ/rd6XSzpntz6BaCBgglZ0uiCdv3/GdhX9VA=
+github.com/keybase/go-keybase-chat-bot v0.0.0-20190812134859-bc54fd9cf83b/go.mod h1:vNc28YFzigVJod0j5EbuTtRIe7swx8vodh2yA4jZ2s8=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=