Bump Microsoft.VisualStudio.Azure.Containers.Tools.Targets in /src

Bumps Microsoft.VisualStudio.Azure.Containers.Tools.Targets from 1.20.1 to 1.21.0.

---
updated-dependencies:
- dependency-name: Microsoft.VisualStudio.Azure.Containers.Tools.Targets
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/Directory.Packages.props

@@ -10,7 +10,7 @@
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Hosting.Abstractions" Version="8.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="8.0.0" />
-    <PackageVersion Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.20.1" />
+    <PackageVersion Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.21.0" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="8.0.5" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.Authentication" Version="8.0.5" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="8.0.5" />