chore: Bump Microsoft.OpenApi from 2.3.0 to 2.6.1

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Updated Microsoft.OpenApi from 2.3.0 to 2.6.1.

Release notes

Sourced from Microsoft.OpenApi's releases.

2.6.1

2.6.1 (2026-01-22)

Bug Fixes

• broken binary compatibility due to interface changes in previous version (06f2b85)

2.6.0

2.6.0 (2026-01-21)

Features

• models: add shared Content interface (80e4bbf)
• models: add shared Content interface (#​2695) (338566f)
• models: add shared Content interface (#​2695) (80e4bbf)
• models: support mutualTLS security scheme (f9cf5b8)

2.5.0

2.5.0 (2026-01-19)

Features

• hidi validate command now logs warnings (1d3d085)
• hidi validate command now logs warnings (18ed5ac)

Bug Fixes

• discriminator property validation fails any/allOf cases when it shouldn't (ff6e411)
• discriminator property validation fails any/allOf cases when it shouldn't (7def73d)

2.4.3

2.4.3 (2026-01-16)

Bug Fixes

• Support custom tag ordering (008576c)
• Support custom tag ordering (7610d07)

2.4.2

2.4.2 (2025-12-22)

Bug Fixes

• wrap extension parser calls in try-catch to ensure correct error pointers (63cf4a3)
• wrap extension parser calls in try-catch to ensure correct error pointers (458cabe)

2.4.1

2.4.1 (2025-12-18)

Bug Fixes

• schema: always serialize additionalProperties: false (6651c36)
• schema: always serialize additionalProperties: false (e36fc95)

2.4.0

2.4.0 (2025-12-17)

Features

• Add type: "null" downcasting when in oneOf and anyOf for OpenAPI v3 (782cf8d)

2.3.12

2.3.12 (2025-12-15)

Bug Fixes

• load JSON documents that are preceded by multiple whitespace (640e59a)
• non-seekable json streams would fail to load as a document (76b0159)
• non-seekable json streams would fail to load as a document (2436d73)
• reading streams in an asp.net context would cause async exceptions (f9e5248)

2.3.11

2.3.11 (2025-12-08)

Bug Fixes

• additional properties serialization should not emit a schema in v2 (946cba9)
• additional properties serialization should not emit a schema in v2 fix: additional properties serialization should not emit booleans in v3.1+ (275dd9d)
• additional properties serialization should not emit booleans in v3.1+ (946cba9)

2.3.10

2.3.10 (2025-11-17)

Bug Fixes

• empty strings should be quoted in yaml (e919b33)
• empty strings should be quoted in yaml (0ca10db)

2.3.9

2.3.9 (2025-11-06)

Bug Fixes

• a bug where null sentinel value would appear in YAML documents (15618e1)

2.3.8

2.3.8 (2025-10-27)

Bug Fixes

• an issue where numeric property names would be missing quotes in yaml conversion (da43c98)
• quote property names in yaml that match boolean values (39a9f41)
• yaml blocks and line returns (b053848)

2.3.7

2.3.7 (2025-10-24)

Bug Fixes

• adds a null value sentinel to enable roundtrip serializations of JsonNode typed properties (337c6eb)
• adds a null value sentinel to enable roundtrip serializations of JsonNode typed properties (63b2b98)
• fixes a bug where yaml null values would end up as a string "null" during roundtrip serialization (6e62de2)
• fixes a bug where yaml null values would end up as a string "null" during roundtrip serialization (994184b)
• YamlConverter adding extra quotes to string values when converting from JSON to YAML (ccfebc8)

Performance Improvements

• do not duplicate nodes when indexing (dbbbf13)
• only initialize map node nodes on demand (bdb5264)
• reduce allocations in mapnode (f58aad2)
• removes the lazy initialization since the node is always enumerated (1c96521)
• switches to lazy instantiation (d3c758b)
• use deep equals for comparison to reduce allocations (6ce3214)

2.3.6

2.3.6 (2025-10-20)

Bug Fixes

• a bug where empty collections would not be serialized for default values (4c4d257)

2.3.5

2.3.5 (2025-10-14)

Bug Fixes

• use settings for terse output in serialization extension methods (246039b)
• use settings for terse output in serialization extension methods (8b91278)

2.3.4

2.3.4 (2025-10-06)

Bug Fixes

• Improve server creation and URL handling logic to maintain port (3e6ee80)
• missing deserialization for header content property in 3.1 and 3.0 (717f154)
• missing deserialization for header content property in 3.1 and 3.0 (0fdfae1)

2.3.3

2.3.3 (2025-10-02)

Bug Fixes

• typo in allowReserved property name for deserialization (1633453)
• typo in allowReserved property name for deserialization (f7e34be)

2.3.2

2.3.2 (2025-09-19)

Bug Fixes

• Fix URL processing in InternalLoad method would not detect the filename/scheme properly in some scenarios (d93689c)
• OpenApiEncoding explode property serialization defaults with form style (ae03eab)

2.3.1

2.3.1 (2025-09-08)

Bug Fixes

• file access for "file" URI scheme with special characters (6dded81)

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[frigini]

Fechado: As mudanças deste PR foram incorporadas no PR #125 (commit a0dc424) que atualizou Microsoft.OpenApi de 2.3.0 para 2.6.1. O erro CS0200 foi corrigido e testado com sucesso (build passou sem erros).

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