Bump laravel/framework from 12.19.3 to 12.20.0

---
updated-dependencies:
- dependency-name: laravel/framework
  dependency-version: 12.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]