[FEAT] 2.x support net9 and drop end of life core versions #6313
Open
Description
Feature Request
Problem Overview
- Use elsa2 with net9.0
- remove all out of support core versions (https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core)
Proposed Solution
Describe the solution you'd like
- Upgrade soltuon to net9.0
- remove all versions of net below .net8