adjust github workflow to supported versions; reference to Supported …

…Dotnet Versions

.github/workflows/build.yml

@@ -10,13 +10,16 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        dotnet-version: [ '6.0.x', '8.0.x' ]
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Setup .NET
-      uses: actions/setup-dotnet@v1
+    - uses: actions/checkout@v4
+    - name: Setup .NET ${{ matrix.dotnet-version }}
+      uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 5.0.x
+        dotnet-version: ${{ matrix.dotnet-version }}
     - name: Restore dependencies
       run: dotnet restore ./src/AspNetCore.Identity.Mongo/
     - name: Build

README.md

@@ -22,8 +22,8 @@ This is a MongoDB provider for the ASP.NET Core Identity framework. It is comple
 
 ## Dot Net Core Versions support
 
-Starting from v9.0.0 library supports **.Net 6.0** and **.Net 8.0** as they are
-only versions maintainable by Microsoft.
+Starting from v9.0.0 library only supports **.Net 6.0** and **.Net 8.0** as they are
+only versions maintainable by Microsoft. [Supported Dotnet Versions](https://dotnet.microsoft.com/en-us/download/dotnet)
 
 Library supports **.Net 6.0**, **.Net 5.0**, **.Net Core 3.1**, **.Net Core 2.1**
 simultaneously started from 8.3.0 nuget package.