chore: Update corsica requirement from ~> 1.3 to ~> 2.1 in /apps/api_web

Updates the requirements on [corsica](https://github.com/whatyouhide/corsica) to permit the latest version.
- [Release notes](https://github.com/whatyouhide/corsica/releases)
- [Changelog](https://github.com/whatyouhide/corsica/blob/main/CHANGELOG.md)
- [Commits](whatyouhide/corsica@v1.3.0...v2.1.2)

---
updated-dependencies:
- dependency-name: corsica
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

apps/api_web/mix.exs

@@ -65,7 +65,7 @@ defmodule ApiWeb.Mixfile do
       {:phoenix_live_view, "~> 0.18"},
       {:ja_serializer, github: "mbta/ja_serializer", branch: "master"},
       {:timex, "~> 3.7"},
-      {:corsica, "~> 1.3"},
+      {:corsica, "~> 2.1"},
       {:state_mediator, in_umbrella: true},
       {:health, in_umbrella: true},
       {:api_accounts, in_umbrella: true},