Bump edtf from 1.2.0 to 1.2.1 in /app

Bumps [edtf](https://github.com/nulib/edtf_ex) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/nulib/edtf_ex/releases)
- [Commits](nulib/edtf_ex@v1.2.0...v1.2.1)

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

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

app/mix.lock

@@ -29,7 +29,7 @@
   "ecto_psql_extras": {:hex, :ecto_psql_extras, "0.8.2", "79350a53246ac5ec27326d208496aebceb77fa82a91744f66a9154560f0759d3", [:mix], [{:ecto_sql, "~> 3.7", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:postgrex, "> 0.16.0 and < 0.20.0", [hex: :postgrex, repo: "hexpm", optional: false]}, {:table_rex, "~> 3.1.1 or ~> 4.0.0", [hex: :table_rex, repo: "hexpm", optional: false]}], "hexpm", "6149c1c4a5ba6602a76cb09ee7a269eb60dab9694a1dbbb797f032555212de75"},
   "ecto_ranked": {:hex, :ecto_ranked, "0.6.0", "c3bc7925610244d3f0be01befb02991670c00f32890174392f2701f760124b26", [:mix], [{:ecto_sql, "~> 3.0", [hex: :ecto_sql, repo: "hexpm", optional: false]}], "hexpm", "735dd6e02096445f4084e0f76e1d0e100cdcf5386d40d6d4cb7e54f2d437fb27"},
   "ecto_sql": {:hex, :ecto_sql, "3.12.1", "c0d0d60e85d9ff4631f12bafa454bc392ce8b9ec83531a412c12a0d415a3a4d0", [:mix], [{:db_connection, "~> 2.4.1 or ~> 2.5", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.12", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.7", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.19 or ~> 1.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:tds, "~> 2.1.1 or ~> 2.2", [hex: :tds, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "aff5b958a899762c5f09028c847569f7dfb9cc9d63bdb8133bff8a5546de6bf5"},
-  "edtf": {:hex, :edtf, "1.2.0", "debb74f77b58b3d922e31b3b574a77a147622c09697636115a6f977eb7301e56", [:mix], [{:inflex, "~> 2.1", [hex: :inflex, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.4", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "745e3829b1fb24b78eaf51b5a1106a32eb5a36703475cdc6627c908e766718e8"},
+  "edtf": {:hex, :edtf, "1.2.1", "32b4a61ee72c03a841b849e02c4c043b772c0fc5e296a890e5eb46644620d651", [:mix], [{:inflex, "~> 2.1", [hex: :inflex, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.4", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "3a200188e920e31ba41e8477c53dfb0e7fcaf2709ff243fdd4018797d6de292e"},
   "elastix": {:hex, :elastix, "0.10.0", "7567da885677ba9deffc20063db5f3ca8cd10f23cff1ab3ed9c52b7063b7e340", [:mix], [{:httpoison, "~> 1.4", [hex: :httpoison, repo: "hexpm", optional: false]}, {:poison, "~> 3.0 or ~> 4.0", [hex: :poison, repo: "hexpm", optional: true]}, {:retry, "~> 0.8", [hex: :retry, repo: "hexpm", optional: false]}], "hexpm", "5fb342ce068b20f7845f5dd198c2dc80d967deafaa940a6e51b846db82696d1d"},
   "eternal": {:hex, :eternal, "1.2.2", "d1641c86368de99375b98d183042dd6c2b234262b8d08dfd72b9eeaafc2a1abd", [:mix], [], "hexpm", "2c9fe32b9c3726703ba5e1d43a1d255a4f3f2d8f8f9bc19f094c7cb1a7a9e782"},
   "ets": {:hex, :ets, "0.9.0", "79c6a6c205436780486f72d84230c6cba2f8a9920456750ddd1e47389107d5fd", [:mix], [], "hexpm", "2861fdfb04bcaeff370f1a5904eec864f0a56dcfebe5921ea9aadf2a481c822b"},