Bump ex_machina from 2.2.1 to 2.2.2 (#295)

Bumps [ex_machina](https://github.com/thoughtbot/ex_machina) from 2.2.1 to 2.2.2.
- [Release notes](https://github.com/thoughtbot/ex_machina/releases)
- [Changelog](https://github.com/thoughtbot/ex_machina/blob/master/CHANGELOG.md)
- [Commits](beam-community/ex_machina@v2.2.1...v2.2.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Author: dependabot[bot]

mix.lock

@@ -15,7 +15,7 @@
   "crontab": {:hex, :crontab, "1.1.4", "eae8de759d60dec2352ca577890f4cac26bcb907088ffef958f42ebb9c4f4cff", [:mix], [{:ecto, "~> 1.0 or ~> 2.0 or ~> 2.1", [hex: :ecto, repo: "hexpm", optional: true]}], "hexpm"},
   "csv": {:hex, :csv, "2.0.0", "c66fea89ba7862b94901baf0871285e9b73cad89c5fdb57a6386d2adcf29593e", [:mix], [{:parallel_stream, "~> 1.0.4", [hex: :parallel_stream, repo: "hexpm", optional: false]}], "hexpm"},
   "db_connection": {:hex, :db_connection, "1.1.3", "89b30ca1ef0a3b469b1c779579590688561d586694a3ce8792985d4d7e575a61", [:mix], [{:connection, "~> 1.0.2", [hex: :connection, repo: "hexpm", optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, repo: "hexpm", optional: true]}], "hexpm"},
-  "decimal": {:hex, :decimal, "1.5.0", "b0433a36d0e2430e3d50291b1c65f53c37d56f83665b43d79963684865beab68", [:mix], [], "hexpm"},
+  "decimal": {:hex, :decimal, "1.6.0", "bfd84d90ff966e1f5d4370bdd3943432d8f65f07d3bab48001aebd7030590dcc", [], [], "hexpm"},
   "dialyxir": {:hex, :dialyxir, "1.0.0-rc.4", "71b42f5ee1b7628f3e3a6565f4617dfb02d127a0499ab3e72750455e986df001", [:mix], [{:erlex, "~> 0.1", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm"},
   "distillery": {:hex, :distillery, "2.0.10", "e9f1f1d3f4a89996a3e1a555872feed8a3a73e3d10b51886941382d29ca58f99", [:mix], [{:artificery, "~> 0.2", [hex: :artificery, repo: "hexpm", optional: false]}], "hexpm"},
   "ecto": {:hex, :ecto, "2.2.11", "4bb8f11718b72ba97a2696f65d247a379e739a0ecabf6a13ad1face79844791c", [:mix], [{:db_connection, "~> 1.1", [hex: :db_connection, repo: "hexpm", optional: true]}, {:decimal, "~> 1.2", [hex: :decimal, repo: "hexpm", optional: false]}, {:mariaex, "~> 0.8.0", [hex: :mariaex, repo: "hexpm", optional: true]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: true]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: false]}, {:postgrex, "~> 0.13.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, repo: "hexpm", optional: true]}], "hexpm"},
@@ -25,7 +25,7 @@
   "ex_aws_kms": {:hex, :ex_aws_kms, "2.0.0", "35221e9b306c2b80be692eb006e9e6fc3d7c35da010e4595c6f27e9686e15092", [:mix], [{:ex_aws, "~> 2.0.0", [hex: :ex_aws, repo: "hexpm", optional: false]}], "hexpm"},
   "ex_aws_lambda": {:hex, :ex_aws_lambda, "2.0.0", "df0d6f278e364d6e1790787923c612ecedf6c189d73e5ef26a4295d3a10c8155", [:mix], [{:ex_aws, "~> 2.0.0", [hex: :ex_aws, repo: "hexpm", optional: false]}], "hexpm"},
   "ex_json_schema": {:hex, :ex_json_schema, "0.5.7", "14a1bcd716e432badb19e5f54fd0f3f0be47b34d1b5957944702be90d66a6cf6", [:mix], [], "hexpm"},
-  "ex_machina": {:hex, :ex_machina, "2.2.1", "df84d0b23487aaa8570c35e586d7f9f197a7787e1121344a41d8832a7ea41edf", [:mix], [{:ecto, "~> 2.1", [hex: :ecto, repo: "hexpm", optional: true]}], "hexpm"},
+  "ex_machina": {:hex, :ex_machina, "2.2.2", "d84217a6fb7840ff771d2561b8aa6d74a0d8968e4b10ecc0d7e9890dc8fb1c6a", [:mix], [{:ecto, "~> 2.2 or ~> 3.0", [hex: :ecto, repo: "hexpm", optional: true]}, {:ecto_sql, "~> 3.0", [hex: :ecto_sql, repo: "hexpm", optional: true]}], "hexpm"},
   "ex_utils": {:hex, :ex_utils, "0.1.7", "2c133e0bcdc49a858cf8dacf893308ebc05bc5fba501dc3d2935e65365ec0bf3", [:mix], [], "hexpm"},
   "exactor": {:hex, :exactor, "2.2.4", "5efb4ddeb2c48d9a1d7c9b465a6fffdd82300eb9618ece5d34c3334d5d7245b1", [:mix], [], "hexpm"},
   "excoveralls": {:hex, :excoveralls, "0.10.2", "fb4abd5b8a1b9d52d35e1162e7e2ea8bfb84b47ae07c38d39aa8ce64be0b0794", [:mix], [{:hackney, "~> 1.13", [hex: :hackney, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm"},