Fix integration test namespace references to match generated code structure

[Copilot]

Integration tests referenced incorrect namespaces for source-generated types, causing build failures. The generator creates namespaces based on schema version (e.g., Versioning.Test.V2 for version="2" schemas), then appends message versions as sub-namespaces (e.g., V2.V1 for version 1 messages).

Changes

• VersioningIntegrationTests.cs: Updated namespace aliases from Versioning.Test.V{0,1,2} to Versioning.Test.V2{,.V1,.V2} and corrected file paths to include schema hash folder
• DeprecatedFieldsIntegrationTests.cs: Changed namespace from Deprecated.Test.V0 to Deprecated.Test.V2 and updated file search patterns from "OrderWithDeprecated.cs" to "OrderWithDeprecated*.cs" to match all versioned files

Example of corrected namespace imports:

// Before
using V0 = Versioning.Test.V0;
using V1 = Versioning.Test.V1;
using V2 = Versioning.Test.V2;

// After
using V0 = Versioning.Test.V2;      // Base version (schema v2)
using V1 = Versioning.Test.V2.V1;   // Message version 1
using V2 = Versioning.Test.V2.V2;   // Message version 2

Original prompt

Temos alguns erros ocorrendo no build, favor corrigir

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