Bump holidays from 0.60 to 0.61 (#57)

Bumps [holidays](https://github.com/vacanza/holidays) from 0.60 to 0.61.
- [Release notes](https://github.com/vacanza/holidays/releases)
- [Changelog](https://github.com/vacanza/holidays/blob/dev/CHANGES)
- [Commits](vacanza/holidays@v0.60...v0.61)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -5,4 +5,4 @@ uvicorn==0.32.0
 slowapi==0.1.9
 email-validator==2.2.0
 exchange_calendars==4.6
-holidays==0.60
+holidays==0.61