devops: add basic .NET CI validation (#99)

.github/workflows/dotnet.yml

@@ -0,0 +1,27 @@
+name: Test .NET
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    name: Test .NET
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        # Nerdbank Git Versioning used by this project
+        # requires full clone (i.e. not the shallow default of GitHub Actions)
+        fetch-depth: 0
+    - name: Setup dotnet
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: '8.0.100'
+    - name: Build
+      run: ./BuildAndTest.cmd

src/Tests.Microsoft.Security.Utilities.Core/SecretMaskerTests.cs

@@ -20,7 +20,7 @@ public class SecretMaskerTests
     public void SecretMasker_Version()
     {
         Version version = SecretMasker.Version;
-        version.ToString().Should().Be("1.7.0");
+        version.ToString().Should().Be("1.9.0");
     }
 
     [TestMethod]