Bump Testcontainers from 4.11.0 to 4.12.0 (#90)

---
updated-dependencies:
- dependency-name: Testcontainers
  dependency-version: 4.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -51,6 +51,6 @@
     <PackageVersion Include="System.Net.Http.Json" Version="10.0.8" />
     <PackageVersion Include="System.Reflection.Emit" Version="4.7.0" />
     <PackageVersion Include="Testcontainers.MsSql" Version="4.11.0" />
-    <PackageVersion Include="Testcontainers" Version="4.11.0" />
+    <PackageVersion Include="Testcontainers" Version="4.12.0" />
   </ItemGroup>
 </Project>