Bump money from 1.12.3 to 1.12.4 in /demo

Bumps [money](https://github.com/elixirmoney/money) from 1.12.3 to 1.12.4.
- [Release notes](https://github.com/elixirmoney/money/releases)
- [Changelog](https://github.com/elixirmoney/money/blob/master/CHANGELOG.md)
- [Commits](https://github.com/elixirmoney/money/commits)

---
updated-dependencies:
- dependency-name: money
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

demo/mix.lock

@@ -37,7 +37,7 @@
   "mime": {:hex, :mime, "2.0.5", "dc34c8efd439abe6ae0343edbb8556f4d63f178594894720607772a041b04b02", [:mix], [], "hexpm", "da0d64a365c45bc9935cc5c8a7fc5e49a0e0f9932a761c55d6c52b142780a05c"},
   "mimerl": {:hex, :mimerl, "1.2.0", "67e2d3f571088d5cfd3e550c383094b47159f3eee8ffa08e64106cdf5e981be3", [:rebar3], [], "hexpm", "f278585650aa581986264638ebf698f8bb19df297f66ad91b18910dfc6e19323"},
   "mix_audit": {:hex, :mix_audit, "2.1.2", "6cd5c5e2edbc9298629c85347b39fb3210656e541153826efd0b2a63767f3395", [:make, :mix], [{:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: false]}, {:yaml_elixir, "~> 2.9", [hex: :yaml_elixir, repo: "hexpm", optional: false]}], "hexpm", "68d2f06f96b9c445a23434c9d5f09682866a5b4e90f631829db1c64f140e795b"},
-  "money": {:hex, :money, "1.12.3", "a0396428e21c36c8a40462a1f17b6038781b2544d00696c8b27026205b54dbe4", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}, {:ecto, "~> 1.0 or ~> 2.0 or ~> 2.1 or ~> 3.0", [hex: :ecto, repo: "hexpm", optional: true]}, {:phoenix_html, "~> 2.0 or ~> 3.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}], "hexpm", "4902dcac18aca4788be9d6b04d1a59a5bcbceca700f33eab8fe13eb6a6c36dde"},
+  "money": {:hex, :money, "1.12.4", "9d9817aa79d1317871f6b006721c264bf1910fb28ba2af50746514f0d7e8ddbe", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}, {:ecto, "~> 1.0 or ~> 2.0 or ~> 3.0", [hex: :ecto, repo: "hexpm", optional: true]}, {:phoenix_html, "~> 2.0 or ~> 3.0 or ~> 4.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}], "hexpm", "87e4bb907df1da184cb4640569d8df99ee6d88c84ce4f5da03cb2fab8d433eb9"},
   "nimble_parsec": {:hex, :nimble_parsec, "1.3.1", "2c54013ecf170e249e9291ed0a62e5832f70a476c61da16f6aac6dca0189f2af", [:mix], [], "hexpm", "2682e3c0b2eb58d90c6375fc0cc30bc7be06f365bf72608804fb9cffa5e1b167"},
   "number": {:hex, :number, "1.0.4", "3e6e6032a3c1d4c3760e77a42c580a57a15545dd993af380809da30fe51a032c", [:mix], [{:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}], "hexpm", "16f7516584ef2be812af4f33f2eaf3f9b9f6ed8892f45853eb93113f83721e42"},
   "parse_trans": {:hex, :parse_trans, "3.4.1", "6e6aa8167cb44cc8f39441d05193be6e6f4e7c2946cb2759f015f8c56b76e5ff", [:rebar3], [], "hexpm", "620a406ce75dada827b82e453c19cf06776be266f5a67cff34e1ef2cbb60e49a"},