Bump nesbot/carbon from 2.72.5 to 2.72.6 in the composer group

Bumps the composer group with 1 update: [nesbot/carbon](https://github.com/CarbonPHP/carbon).


Updates `nesbot/carbon` from 2.72.5 to 2.72.6
- [Release notes](https://github.com/CarbonPHP/carbon/releases)
- [Commits](CarbonPHP/carbon@2.72.5...2.72.6)

---
updated-dependencies:
- dependency-name: nesbot/carbon
  dependency-type: indirect
  dependency-group: composer
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]