Update version table

Make the supported ASP.NET Core versions more precise.

Author: martincostello

README.md

@@ -24,10 +24,10 @@ Once you have an API that can describe itself in Swagger, you've opened the trea
 
 | Swashbuckle Version | ASP.NET Core | Swagger / OpenAPI Spec. | swagger-ui | Redoc UI |
 |----------|----------|----------|----------|----------|
-| [CI](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/commits/master/) | >= 2.0.0 | 2.0, 3.0 | [5.x.x](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/blob/master/src/Swashbuckle.AspNetCore.SwaggerUI/package.json#L6) | [2.x.x](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/blob/master/src/Swashbuckle.AspNetCore.ReDoc/package.json#L6) |
-| [8.0.0](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/tree/v8.0.0) | >= 2.0.0 | 2.0, 3.0 | 5.20.1 | 2.4.0 |
-| [7.3.2](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/tree/v7.3.2) | >= 2.0.0 | 2.0, 3.0 | 5.20.1 | 2.4.0 |
-| [6.9.0](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/tree/v6.9.0) | >= 2.0.0 | 2.0, 3.0 | 5.17.14 | 2.1.5 |
+| [CI](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/commits/master/) | >= 8.0.0, 2.3.x | 2.0, 3.0 | [5.x.x](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/blob/master/src/Swashbuckle.AspNetCore.SwaggerUI/package.json#L6) | [2.x.x](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/blob/master/src/Swashbuckle.AspNetCore.ReDoc/package.json#L6) |
+| [8.0.0](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/tree/v8.0.0) | >= 8.0.0, 2.3.x | 2.0, 3.0 | 5.20.1 | 2.4.0 |
+| [7.3.2](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/tree/v7.3.2) | >= 8.0.0, 6.0.x, 2.1.x | 2.0, 3.0 | 5.20.1 | 2.4.0 |
+| [6.9.0](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/tree/v6.9.0) | >= 6.0.0, 2.1.x | 2.0, 3.0 | 5.17.14 | 2.1.5 |
 | [5.6.3](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/tree/v5.6.3) | >= 2.0.0 | 2.0, 3.0 | 3.32.5 | 2.0.0-rc.40 |
 | [4.0.0](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/tree/v4.0.0) | >= 2.0.0, < 3.0.0 | 2.0 | 3.19.5 | 1.22.2 |
 | [3.0.0](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/tree/v3.0.0) | >= 1.0.4, < 3.0.0 | 2.0 | 3.17.1 | 1.20.0 |