build(deps-dev): bump typer in the dev-dependencies group

Bumps the dev-dependencies group with 1 update: [typer](https://github.com/fastapi/typer).


Updates `typer` from 0.20.1 to 0.21.0
- [Release notes](https://github.com/fastapi/typer/releases)
- [Changelog](https://github.com/fastapi/typer/blob/master/docs/release-notes.md)
- [Commits](fastapi/typer@0.20.1...0.21.0)

---
updated-dependencies:
- dependency-name: typer
  dependency-version: 0.21.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

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

Author: dependabot[bot]

pyproject.toml

@@ -60,7 +60,7 @@ cli = [
     "python-dotenv==1.2.1",
     "pyyaml",
     "rich",
-    "typer==0.20.1",
+    "typer==0.21.0",
 ]
 
 # Backend system component dependencies (database, messaging, API server/client)