Bump holidays from 0.58 to 0.60

Bumps [holidays](https://github.com/vacanza/holidays) from 0.58 to 0.60.
- [Release notes](https://github.com/vacanza/holidays/releases)
- [Changelog](https://github.com/vacanza/holidays/blob/dev/CHANGES)
- [Commits](vacanza/holidays@v0.58...v0.60)

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

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

requirements.txt

@@ -5,4 +5,4 @@ uvicorn==0.32.0
 slowapi==0.1.9
 email-validator==2.2.0
 exchange_calendars==4.5.7
-holidays==0.58
+holidays==0.60