Update mix.lock with earmark dependency

mix.lock

@@ -1,5 +1,5 @@
%{"cmark": {:hex, :cmark, "0.5.7", "7a3304e058dcb62dc73089eb2778aea0c7284ffcf67191cc40910bb36bcf5935", [:make, :mix], []},
  "earmark": {:hex, :earmark, "1.0.1", "2c2cd903bfdc3de3f189bd9a8d4569a075b88a8981ded9a0d95672f6e2b63141", [:mix], []},
  "earmark": {:hex, :earmark, "1.1.1", "433136b7f2e99cde88b745b3a0cfc3fbc81fe58b918a09b40fce7f00db4d8187", [:mix], []},
  "excoveralls": {:hex, :excoveralls, "0.3.11", "cd1abaf07db5bed9cf7891d86470247c8b3c8739d7758679071ce1920bb09dbc", [:mix], [{:exjsx, "~> 3.0", [hex: :exjsx, optional: false]}, {:hackney, ">= 0.12.0", [hex: :hackney, optional: false]}]},
  "exjsx": {:hex, :exjsx, "3.2.0", "7136cc739ace295fc74c378f33699e5145bead4fdc1b4799822d0287489136fb", [:mix], [{:jsx, "~> 2.6.2", [hex: :jsx, optional: false]}]},
  "hackney": {:hex, :hackney, "1.3.2", "43bd07ab88753f5e136e38fddd2a09124bee25733b03361eeb459d0173fc17ab", [:make, :rebar], [{:idna, "~> 1.0.2", [hex: :idna, optional: false]}, {:ssl_verify_hostname, "~> 1.0.5", [hex: :ssl_verify_hostname, optional: false]}]},