Point CI to .slnx for restore/build/test

Author: ANcpLua

.github/workflows/tests.yml

@@ -24,15 +24,15 @@ jobs:
 
       - name: Restore dependencies
         run: |
-          dotnet restore SWEN3.Paperless.RabbitMq.sln
+          dotnet restore SWEN3.Paperless.RabbitMq.slnx
 
       - name: Build
         run: |
-          dotnet build SWEN3.Paperless.RabbitMq.sln --no-restore --configuration Release
+          dotnet build SWEN3.Paperless.RabbitMq.slnx --no-restore --configuration Release
 
       - name: Run tests with coverage
         run: |
-          dotnet test SWEN3.Paperless.RabbitMq.sln --no-build --configuration Release \
+          dotnet test SWEN3.Paperless.RabbitMq.slnx --no-build --configuration Release \
             --collect:"XPlat Code Coverage" \
             --logger:"console;verbosity=detailed"