Enable Stryker.NET baseline feature

See https://stryker-mutator.io/docs/stryker-net/Stryker-in-pipeline#configuring-dashboard-compare-in-pull-requests

Author: 0xced

.github/workflows/continuous-integration.yml

@@ -76,7 +76,7 @@ jobs:
         run: |
           cd tests
           dotnet tool restore
-          dotnet tool run dotnet-stryker --reporter dashboard --version ${GITHUB_REF#refs/heads/} --dashboard-api-key ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
+          dotnet tool run dotnet-stryker --version ${GITHUB_REF#refs/heads/} --dashboard-api-key ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
       - name: Create NuGet package
         run: dotnet pack --no-build --output .
         id: dotnet-pack

tests/stryker-config.json

@@ -0,0 +1,14 @@
+{
+   "stryker-config" : {
+      "baseline" : {
+         "enabled" : true
+      },
+      "reporters" : [
+         "dashboard",
+         "baseline"
+      ],
+      "since" : {
+         "target" : "main"
+      }
+   }
+}