Bump pydantic-settings from 2.3.4 to 2.6.1

Bumps [pydantic-settings](https://github.com/pydantic/pydantic-settings) from 2.3.4 to 2.6.1.
- [Release notes](https://github.com/pydantic/pydantic-settings/releases)
- [Commits](pydantic/pydantic-settings@v2.3.4...v2.6.1)

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

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

requirements-common.txt

@@ -14,7 +14,7 @@ jellyfish==1.0.4                    # String Matching
 Jinja2==3.1.4                       # template engine for html files
 pandas==2.2.2
 phonenumbers==8.13.43               # Used for phone number validation
-pydantic-settings==2.3.4
+pydantic-settings==2.6.1
 pydantic==2.7.4
 pyjwt[crypto]==2.8.0                # generate and verify the JWT tokens, imported as `jwt`
 PyMuPDF==1.24.9                     # PDF processing