Upgrade
You can upgrade Scheduled Cache Invalidator using composer - it's as easy as that.
For major versions, you will need to manually increment version numbers as these may include breaking changes and may need some additional changes to your code.
1.x to 2.x New
2.x drops support for Statamic 4.
Update the following dependencies in your site's composer.json
file:
mitydigital/statamic-variable-number-fieldtype
to^2.0