Bump pydantic-settings from 2.8.1 to 2.9.1 (#1374)

Bumps [pydantic-settings](https://github.com/pydantic/pydantic-settings) from 2.8.1 to 2.9.1.
- [Release notes](https://github.com/pydantic/pydantic-settings/releases)
- [Commits](pydantic/pydantic-settings@v2.8.1...v2.9.1)

---
updated-dependencies:
- dependency-name: pydantic-settings
  dependency-version: 2.9.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Radoslav Dimitrov <radoslav@stacklok.com>

Author: dependabot[bot]

poetry.lock

@@ -19,7 +19,7 @@ cryptography = "==44.0.2"
 sqlalchemy = "==2.0.40"
 aiosqlite = "==0.21.0"
 ollama = "==0.4.8"
-pydantic-settings = "==2.8.1"
+pydantic-settings = "==2.9.1"
 numpy = "2.2.5"
 tree-sitter = "==0.24.0"
 tree-sitter-go = "==0.23.4"