Fix warnings

Author: dnperfors

.github/workflows/ci.yml

@@ -29,7 +29,6 @@ jobs:
         dotnet-version: |
           8.0.x
           9.0.x
-        include-prerelease: true
     - name: Dump .NET info
       run: dotnet --info
     - name: Restore dotnet tools
@@ -81,7 +80,6 @@ jobs:
         dotnet-version: |
           8.0.x
           9.0.x
-        include-prerelease: false
     - name: Dump .NET info
       run: dotnet --info
     - name: Restore dependencies
@@ -103,7 +101,6 @@ jobs:
       with:
         dotnet-version: |
           9.0.x
-        include-prerelease: true
     - uses: actions/download-artifact@v4
       with:
         name: artifacts