* Renamed ProductType to ProductTierType
* Renamed Product properties to ProductTier
* Moved ProductTierType to Bit.Core.Billing.Enums namespace from Bit.Core.Enums
* Moved PlanType enum to Bit.Core.Billing.Enums
* Moved StaticStore to Bit.Core.Billing.Models.StaticStore namespace
* Added ProductType enum
* dotnet format
* Upgrade to .NET 8
* Linting
* Clean up old JSON deserialization code
* More .NET 8-oriented linting
* Light feedback
* Get rid of old test we don't know the root issue for
* Fix a new test
* Remove now-unnecessary Renovate constraint
* Use Any()
* Somehow a 6.0 tooling config we don't need snuck back in
* Space out properties that always change per release
* Bump a few core packages since the last update
