ci: publish only the web application container

Disable container support for tests and bump the application version to
1.2.1.

.github/workflows/ci.yaml

@@ -29,8 +29,10 @@ jobs:
           dotnet-quality: 'ga'
           cache: true
           cache-dependency-path: '**/packages.lock.json'
-      - name: Restore dependencies 
-        run: dotnet restore --locked-mode
+      - name: Restore dependencies
+        # Scoped to the web app so the test project is never restored or built here; it pulls in
+        # Contracts and Services through its project references. Tests run locally, not in this job.
+        run: dotnet restore CaddyManager/CaddyManager.csproj --locked-mode
       - name: Application metadata
         id: metadata
         run: |
@@ -41,7 +43,7 @@ jobs:
           sed -i "s/public static readonly string CommitHash = \"\[DEVELOPMENT\]\";/public static readonly string CommitHash = \"${{ steps.metadata.outputs.COMMIT_HASH }}\";/" CaddyManager/Configurations/Application/ApplicationInfo.cs
       - name: Publish container
         run: |
-          dotnet publish \
+          dotnet publish CaddyManager/CaddyManager.csproj \
           --configuration Release --os linux-musl --arch x64 \
           /t:PublishContainer -p ContainerRegistry=ghcr.io \
           -p ContainerRepository=${{ github.repository }} -p:ContainerImageTags='"${{ steps.metadata.outputs.APP_VERSION }};latest"'