Bump ecto from 3.4.1 to 3.4.2 (#80)

Bumps [ecto](https://github.com/elixir-ecto/ecto) from 3.4.1 to 3.4.2.
- [Release notes](https://github.com/elixir-ecto/ecto/releases)
- [Changelog](https://github.com/elixir-ecto/ecto/blob/master/CHANGELOG.md)
- [Commits](elixir-ecto/ecto@v3.4.1...v3.4.2)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

mix.lock

@@ -3,7 +3,7 @@
   "db_connection": {:hex, :db_connection, "2.2.1", "caee17725495f5129cb7faebde001dc4406796f12a62b8949f4ac69315080566", [:mix], [{:connection, "~> 1.0.2", [hex: :connection, repo: "hexpm", optional: false]}], "hexpm", "2b02ece62d9f983fcd40954e443b7d9e6589664380e5546b2b9b523cd0fb59e1"},
   "decimal": {:hex, :decimal, "1.8.1", "a4ef3f5f3428bdbc0d35374029ffcf4ede8533536fa79896dd450168d9acdf3c", [:mix], [], "hexpm", "3cb154b00225ac687f6cbd4acc4b7960027c757a5152b369923ead9ddbca7aec"},
   "earmark": {:hex, :earmark, "1.4.3", "364ca2e9710f6bff494117dbbd53880d84bebb692dafc3a78eb50aa3183f2bfd", [:mix], [], "hexpm", "8cf8a291ebf1c7b9539e3cddb19e9cef066c2441b1640f13c34c1d3cfc825fec"},
-  "ecto": {:hex, :ecto, "3.4.1", "ca5b5f6314eebd7fa2e52c6d78abb1ef955005dd60cc7a047b963ee23ee14a6c", [:mix], [{:decimal, "~> 1.6 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "748a317a2eacac0b7b6540cb7d2198b79457ede9cec2b4d1582117f90ac309d5"},
+  "ecto": {:hex, :ecto, "3.4.2", "6890af71025769bd27ef62b1ed1925cfe23f7f0460bcb3041da4b705215ff23e", [:mix], [{:decimal, "~> 1.6 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "b3959b8a83e086202a4bd86b4b5e6e71f9f1840813de14a57d502d3fc2ef7132"},
   "ecto_sql": {:hex, :ecto_sql, "3.4.2", "3d842665a81ba2137b62aa70151afe81dae44824cd09b2076a255937ab4e2dc9", [:mix], [{:db_connection, "~> 2.2", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.4.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.3.0 or ~> 0.4.0", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.15.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:tds, "~> 2.1.0", [hex: :tds, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "f2b064102467e1525314a464b6fea0707ff28ee132a15006727ccf51b73492ff"},
   "ex_doc": {:hex, :ex_doc, "0.21.3", "857ec876b35a587c5d9148a2512e952e24c24345552259464b98bfbb883c7b42", [:mix], [{:earmark, "~> 1.4", [hex: :earmark, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}], "hexpm", "0db1ee8d1547ab4877c5b5dffc6604ef9454e189928d5ba8967d4a58a801f161"},
   "jason": {:hex, :jason, "1.2.0", "10043418c42d2493d0ee212d3fddd25d7ffe484380afad769a0a38795938e448", [:mix], [{:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "116747dbe057794c3a3e4e143b7c8390b29f634e16c78a7f59ba75bfa6852e7f"},