Upgrade .NET version in GitHub Actions workflow

Author: moodmosaic

.github/workflows/dotnet.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     env:
-      dotnet-version: "9.0"
+      dotnet-version: "10.0"
 
     steps:
     - uses: actions/checkout@v4
@@ -32,7 +32,7 @@ jobs:
 
     strategy:
       matrix:
-        dotnet-version: ["8.0", "9.0"]
+        dotnet-version: ["8.0", "9.0", "10.0"]
 
     steps:
     - uses: actions/checkout@v4