Bump the nuget-dependencies group with 1 update

[dependabot]

Updated NSwag.ApiDescription.Client from 14.7.0 to 14.7.1.

Release notes

Sourced from NSwag.ApiDescription.Client's releases.

14.7.1

[!IMPORTANT]
Upgrade directly from v14.6.3 to v14.7.1 — skip v14.7.0.

v14.7.0 bundled NJsonSchema v11.6.0, which contained a regression that silently dropped nullability on required T? / [JsonRequired] T? DTO properties. The resulting OpenAPI/JSON schema marked those properties as non-nullable, so generated TypeScript and C# clients lost null-safety for fields the server can legitimately return as null (#​5359).

Corrections to v14.7.0

v14.7.1 updates to NJsonSchema v11.6.1, which corrects the handling of the C# required keyword and [JsonRequired]:

• These are now treated as presence markers (the property must be present in the JSON) rather than value constraints.
• Nullability from the declared type (string?, T?) is preserved.
• No spurious MinLength=1 on non-nullable strings.
• DataAnnotations [Required] semantics remain unchanged (still suppresses nullability and adds MinLength=1 to strings by default, matching its runtime behavior).

Observable client changes vs v14.7.0

For public required string[]? OptionList { get; init; } (#​5359):

	TypeScript client	C# client
v14.7.0 (broken)	optionList: string[] ❌	public string[] OptionList ❌
v14.7.1	optionList: string[] | null ✅	public string[]? OptionList ✅

For full details and truth tables across all required / [Required] / [JsonRequired] / [JsonProperty(Required=*)] combinations, see the NJsonSchema v11.6.1 release notes and NJsonSchema #​1919.

What's Changed

• Upgrade to NJsonSchema v11.6.1 (NSwag v14.7.1) by @​RicoSuter in Upgrade to NJsonSchema v11.6.1 (NSwag v14.7.1) RicoSuter/NSwag#5367 (fixes #​5359)

Full Changelog: RicoSuter/NSwag@v14.7.0...v14.7.1

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