install all fwks

Author: Alex Peck

.github/workflows/gate.yml

@@ -18,7 +18,6 @@ jobs:
         include:
           # Windows
           - os: windows-latest
-            dotnet-version: 3.1.x
             framework: net48
             coverage: false
             results: results4.trx
@@ -28,7 +27,6 @@ jobs:
             publish_nuget: true
 
           - os: windows-latest
-            dotnet-version: 3.1.x
             framework: netcoreapp3.1
             coverage: true
             results: results3.trx
@@ -38,7 +36,6 @@ jobs:
             publish_nuget: true
 
           - os: windows-latest
-            dotnet-version: 6.0.x
             framework: net6.0
             coverage: true
             results: results6.trx
@@ -48,7 +45,6 @@ jobs:
             publish_nuget: false
 
           - os: windows-latest
-            dotnet-version: 9.0.x
             framework: net9.0
             coverage: true
             results: results9.trx
@@ -59,7 +55,6 @@ jobs:
 
           # macOS
           - os: macos-latest
-            dotnet-version: 6.0.x
             framework: net6.0
             coverage: true
             results: results.trx
@@ -70,7 +65,6 @@ jobs:
 
           # Linux
           - os: ubuntu-latest
-            dotnet-version: 6.0.x
             framework: net6.0
             coverage: true
             results: results.trx
@@ -85,7 +79,11 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: ${{ matrix.dotnet-version }}
+          dotnet-version: |
+            3.1.x
+            6.0.x
+            8.0.x
+            9.0.x
 
       - name: Install dependencies
         run: dotnet restore