Bump ethers from 0.3.1 to 0.4.0

Bumps [ethers](https://github.com/ExWeb3/elixir_ethers) from 0.3.1 to 0.4.0.
- [Release notes](https://github.com/ExWeb3/elixir_ethers/releases)
- [Changelog](https://github.com/ExWeb3/elixir_ethers/blob/main/CHANGELOG.md)
- [Commits](ExWeb3/elixir_ethers@v0.3.1...v0.4.0)

---
updated-dependencies:
- dependency-name: ethers
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

mix.exs

@@ -69,7 +69,7 @@ defmodule EthersKMS.MixProject do
       {:configparser_ex, "~> 4.0"},
       {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
       {:dialyxir, "~> 1.3", only: [:dev, :test], runtime: false},
-      {:ethers, "~> 0.3.1"},
+      {:ethers, "~> 0.4.0"},
       {:excoveralls, "~> 0.10", only: :test},
       {:ex_aws, "~> 2.5.1"},
       {:ex_aws_kms, "~> 2.3.2"},

mix.lock

@@ -1,14 +1,14 @@
 %{
   "bunt": {:hex, :bunt, "1.0.0", "081c2c665f086849e6d57900292b3a161727ab40431219529f13c4ddcf3e7a44", [:mix], [], "hexpm", "dc5f86aa08a5f6fa6b8096f0735c4e76d54ae5c9fa2c143e5a1fc7c1cd9bb6b5"},
-  "castore": {:hex, :castore, "1.0.5", "9eeebb394cc9a0f3ae56b813459f990abb0a3dedee1be6b27fdb50301930502f", [:mix], [], "hexpm", "8d7c597c3e4a64c395980882d4bca3cebb8d74197c590dc272cfd3b6a6310578"},
+  "castore": {:hex, :castore, "1.0.6", "ffc42f110ebfdafab0ea159cd43d31365fa0af0ce4a02ecebf1707ae619ee727", [:mix], [], "hexpm", "374c6e7ca752296be3d6780a6d5b922854ffcc74123da90f2f328996b962d33a"},
   "configparser_ex": {:hex, :configparser_ex, "4.0.0", "17e2b831cfa33a08c56effc610339b2986f0d82a9caa0ed18880a07658292ab6", [:mix], [], "hexpm", "02e6d1a559361a063cba7b75bc3eb2d6ad7e62730c551cc4703541fd11e65e5b"},
   "credo": {:hex, :credo, "1.7.5", "643213503b1c766ec0496d828c90c424471ea54da77c8a168c725686377b9545", [:mix], [{:bunt, "~> 0.2.1 or ~> 1.0", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2 or ~> 1.0", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "f799e9b5cd1891577d8c773d245668aa74a2fcd15eb277f51a0131690ebfb3fd"},
   "dialyxir": {:hex, :dialyxir, "1.4.3", "edd0124f358f0b9e95bfe53a9fcf806d615d8f838e2202a9f430d59566b6b53b", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "bf2cfb75cd5c5006bec30141b131663299c661a864ec7fbbc72dfa557487a986"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.39", "424642f8335b05bb9eb611aa1564c148a8ee35c9c8a8bba6e129d51a3e3c6769", [:mix], [], "hexpm", "06553a88d1f1846da9ef066b87b57c6f605552cfbe40d20bd8d59cc6bde41944"},
   "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},
   "ethereumex": {:hex, :ethereumex, "0.10.6", "6d75cac39b5b7a720b064fe48563f205d3d9784e5bde25f983dd07cf306c2a6d", [:make, :mix], [{:finch, "~> 0.16", [hex: :finch, repo: "hexpm", optional: false]}, {:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "58cf926239dabf8bd1fc6cf50a37b926274240b7f58ba5b235a20b5500a9a7e1"},
-  "ethers": {:hex, :ethers, "0.3.1", "c0e2b310c7d77b91badf772f00964e1143f336238f2696c7c9a36a6fe08180b9", [:mix], [{:ethereumex, "~> 0.10.6", [hex: :ethereumex, repo: "hexpm", optional: false]}, {:ex_abi, "~> 0.7.0", [hex: :ex_abi, repo: "hexpm", optional: false]}, {:ex_rlp, "~> 0.6.0", [hex: :ex_rlp, repo: "hexpm", optional: false]}, {:ex_secp256k1, "~> 0.7.2", [hex: :ex_secp256k1, repo: "hexpm", optional: true]}, {:idna, "~> 6.1", [hex: :idna, repo: "hexpm", optional: false]}, {:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "33539dd81db599a14ef6627c2a616d2549fde4505469e6c6eaf2a6cd54e948ab"},
-  "ex_abi": {:hex, :ex_abi, "0.7.0", "4a2f83c47d98357c75862ca77fcbaa05d9199ba2888248fdb20d4f3befc3e151", [:mix], [{:ex_keccak, "~> 0.7.3", [hex: :ex_keccak, repo: "hexpm", optional: false]}, {:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "d35c4ef7d860fd94bcf952ab866b7639df9054c009c098ddc94cf8916d2208d6"},
+  "ethers": {:hex, :ethers, "0.4.0", "63898ec7f9c0d4b4f2ce8bb76a2c92563c383deca1e23ff5596f5d0995fe9da7", [:mix], [{:ethereumex, "~> 0.10.6", [hex: :ethereumex, repo: "hexpm", optional: false]}, {:ex_abi, "~> 0.7.0", [hex: :ex_abi, repo: "hexpm", optional: false]}, {:ex_rlp, "~> 0.6.0", [hex: :ex_rlp, repo: "hexpm", optional: false]}, {:ex_secp256k1, "~> 0.7.2", [hex: :ex_secp256k1, repo: "hexpm", optional: true]}, {:idna, "~> 6.1", [hex: :idna, repo: "hexpm", optional: false]}, {:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "db78cfa2ba9ea759e9a53fe3f96a3ee2cc7a0c820f4962d6b7868821731007e2"},
+  "ex_abi": {:hex, :ex_abi, "0.7.1", "8136d8363653418442848009ed5d31312161781326d867e77467608b2d5ff2c9", [:mix], [{:ex_keccak, "~> 0.7.3", [hex: :ex_keccak, repo: "hexpm", optional: false]}, {:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "41ad2de3f62b6e79f7e865c7ab03f58e0d44435325ff15e345a986e0387a2a04"},
   "ex_aws": {:hex, :ex_aws, "2.5.1", "7418917974ea42e9e84b25e88b9f3d21a861d5f953ad453e212f48e593d8d39f", [:mix], [{:configparser_ex, "~> 4.0", [hex: :configparser_ex, repo: "hexpm", optional: true]}, {:hackney, "~> 1.16", [hex: :hackney, repo: "hexpm", optional: true]}, {:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: true]}, {:jsx, "~> 2.8 or ~> 3.0", [hex: :jsx, repo: "hexpm", optional: true]}, {:mime, "~> 1.2 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:sweet_xml, "~> 0.7", [hex: :sweet_xml, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "1b95431f70c446fa1871f0eb9b183043c5a625f75f9948a42d25f43ae2eff12b"},
   "ex_aws_kms": {:hex, :ex_aws_kms, "2.3.2", "0a397bd4eb807dcb519dc738ef3ab4f89f371cbcb5880c4f94bbd3612b364446", [:mix], [{:ex_aws, "~> 2.1", [hex: :ex_aws, repo: "hexpm", optional: false]}], "hexpm", "1f2adcc51a3f160f27d0c4d2acab93dd1d7e75b3809d06477bf433b99b03f616"},
   "ex_aws_sts": {:hex, :ex_aws_sts, "2.3.0", "ce48c4cba7f1595a7d544458d0202ca313124026dba7b1a0021bbb1baa3d66d0", [:mix], [{:ex_aws, "~> 2.2", [hex: :ex_aws, repo: "hexpm", optional: false]}], "hexpm", "f14e4c7da3454514bf253b331e9422d25825485c211896ab3b81d2a4bdbf62f5"},