Update ci.yml

Author: zentron

.github/workflows/ci.yml

@@ -40,7 +40,7 @@ jobs:
       matrix:
         arch: [ x64 ]
         os: [ windows-2022, macos-13 ]
-        tfm: [ net472, net8.0, net9.0 ]
+        tfm: [ net472, net6.0, net8.0, net9.0 ]
         exclude:
           - os: macos-13
             tfm: net472
@@ -61,6 +61,7 @@ jobs:
         uses: actions/setup-dotnet@v4.0.0
         with:
           dotnet-version: |
+            6.0.x
             9.0.x
             8.0.x
       - name: Run ${{ matrix.tfm }} tests
@@ -72,7 +73,7 @@ jobs:
       matrix:
         arch: [ amd64, arm64 ]
         distro: [ alpine.3.17, alpine.3.18, alpine.3.19, alpine.3.20, centos.stream.9, debian.12, fedora.40, ubuntu.20.04, ubuntu.22.04, ubuntu.24.04 ]
-        sdk:  [ '8.0', '9.0' ]
+        sdk:  [ '6.0', '8.0', '9.0' ]
         exclude:
           - distro: alpine.3.17
             sdk: '9.0'
@@ -81,6 +82,8 @@ jobs:
           - distro: alpine.3.19
             sdk: '9.0'
         include:
+          - sdk: '6.0'
+            tfm: net6.0
           - sdk: '8.0'
             tfm: net8.0
           - sdk: '9.0'
@@ -117,4 +120,4 @@ jobs:
         env:
           FEED_API_KEY: ${{ secrets.FEED_API_KEY }}
           FEED_SOURCE: ${{ secrets.FEED_SOURCE }}
-        run: dotnet nuget push staging/**/*.nupkg --api-key "$FEED_API_KEY" --source "$FEED_SOURCE"
+        run: dotnet nuget push staging/**/*.nupkg --api-key "$FEED_API_KEY" --source "$FEED_SOURCE"