Sync to EF 10.0.0-rc.2.25468.104, partial update, JSON primitive collections revamp

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Pull Request Overview

This PR synchronizes the codebase to Entity Framework Core 10.0.0-rc.2.25468.104 with a partial update and a revamp of JSON primitive collections.

• Updates type mapping tests to support new JSON primitive collection mappings
• Adds comprehensive test coverage for temporal types, networking types, and primitive collections
• Restructures JSON collection handling to use more efficient PostgreSQL-specific SQL generation

Reviewed Changes

Copilot reviewed 68 out of 68 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
test/EFCore.PG.Tests/Storage/NpgsqlTypeMappingSourceTest.cs	Adds tests for primitive collection and JSON primitive collection type mappings
test/EFCore.PG.FunctionalTests/Types/Temporal/*.cs	New test files for temporal types (TimeSpan, TimeOnly, DateTime variants, DateOnly)
test/EFCore.PG.FunctionalTests/Types/Numeric/*.cs	New test files for numeric types (short, long, int, float, double, decimal)
test/EFCore.PG.FunctionalTests/Types/Miscellaneous/*.cs	New test files for miscellaneous types (string, Guid, byte array, bool)
test/EFCore.PG.FunctionalTests/Types/Networking/*.cs	New test files for networking types (macaddr, inet)
test/EFCore.PG.FunctionalTests/Types/NpgsqlTypeFixture.cs	Base test fixture for type tests
test/EFCore.PG.FunctionalTests/Query/*.cs	Updated SQL assertions reflecting changes in JSON primitive collection handling

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