Carbon 1 is deprecated which is used in Wave

When i run composer update it shows

Carbon 1 is deprecated, see how to migrate to Carbon 2. https://carbon.nesbot.com/docs/#api-carbon-2 You can run './vendor/bin/upgrade-carbon' to get help in updating carbon and other frameworks and libraries that depend on it.

Illuminate\Foundation\ComposerScripts::postAutoloadDump @php artisan package:discover

When i try to install Carbon 2 it shows:

Problem 1 - laravel/cashier v7.2.2 requires nesbot/carbon ~1.0 -> satisfiable by nesbot/carbon[1.0.0, 1.0.1, 1.1.0, 1.10.0, 1.11.0, 1.12.0, 1.13.0, 1.14.0, 1.15.0, 1.16.0, 1.17.0, 1.18.0, 1.19.0, 1.2.0, 1.20.0, 1.21.0, 1.22.0, 1.22.1, 1.23.0, 1.24.0, 1.24.1, 1.24.2, 1.25.0, 1.25.1, 1.25.3, 1.26.0, 1.26.1, 1.26.2, 1.26.3, 1.26.4, 1.26.5, 1.26.6, 1.27.0, 1.28.0, 1.29.0, 1.29.1, 1.29.2, 1.3.0, 1.30.0, 1.31.0, 1.31.1, 1.32.0, 1.33.0, 1.34.0, 1.34.1, 1.34.2, 1.34.3, 1.34.4, 1.35.0, 1.35.1, 1.36.0, 1.36.1, 1.36.2, 1.37.0, 1.37.1, 1.38.0, 1.38.1, 1.38.2, 1.38.3, 1.38.4, 1.39.0, 1.4.0, 1.5.0, 1.6.0, 1.7.0, 1.8.0, 1.9.0] but these conflict with your requirements or minimum-stability.