Update dependency YamlDotNet to v15

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
YamlDotNet (source)	13.7.1 -> 15.3.0

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Release Notes

aaubry/YamlDotNet (YamlDotNet)

### [`v15.3.0`](https://togithub.com/aaubry/YamlDotNet/releases/tag/v15.3.0): Release 15.3.0 - Merge pull request [#​910](https://togithub.com/aaubry/YamlDotNet/issues/910) from lahma/symbols\ Include symbols and deterministic build - Merge pull request [#​930](https://togithub.com/aaubry/YamlDotNet/issues/930) from MrLuje/fsharp-option\ Add FSharpOption support ### [`v15.1.6`](https://togithub.com/aaubry/YamlDotNet/releases/tag/v15.1.6): Release 15.1.6 - Merge pull request [#​808](https://togithub.com/aaubry/YamlDotNet/issues/808) from tomer-amir/fix-hash-code-infinite-recursion\ Fix infinite recursion of the hash code function of YamlMappingNode - Merge pull request [#​924](https://togithub.com/aaubry/YamlDotNet/issues/924) from kasperk81/frameworknames\ use correct framework ### [`v15.1.4`](https://togithub.com/aaubry/YamlDotNet/releases/tag/v15.1.4): Release 15.1.4 - Merge pull request [#​903](https://togithub.com/aaubry/YamlDotNet/issues/903) from lahma/license-expression\ Switch to using PackageLicenseExpression - Merge pull request [#​904](https://togithub.com/aaubry/YamlDotNet/issues/904) from airbreather/fix-656\ Add a regression test for [#​656](https://togithub.com/aaubry/YamlDotNet/issues/656) ### [`v15.1.2`](https://togithub.com/aaubry/YamlDotNet/releases/tag/v15.1.2): Release 15.1.2 - Merge pull request [#​912](https://togithub.com/aaubry/YamlDotNet/issues/912) from EdwardCooke/ec-732\ Fixed [#​732](https://togithub.com/aaubry/YamlDotNet/issues/732), quote strings starting with whitespace characters ### [`v15.1.1`](https://togithub.com/aaubry/YamlDotNet/releases/tag/v15.1.1): Release 15.1.1 - Merge pull request [#​902](https://togithub.com/aaubry/YamlDotNet/issues/902) from EdwardCooke/ec-901\ Fixed [#​901](https://togithub.com/aaubry/YamlDotNet/issues/901) - private constructor and tag issue ### [`v15.1.0`](https://togithub.com/aaubry/YamlDotNet/releases/tag/v15.1.0): Release 15.1.0 - Update the NuGet API key - Merge pull request [#​897](https://togithub.com/aaubry/YamlDotNet/issues/897) from EdwardCooke/ec-net80-enumsasnumbers\ Enables [#​773](https://togithub.com/aaubry/YamlDotNet/issues/773)\ Adds naming conventions for convert enums to/from scalars\ Adds .NET8 binaries\ Adds support for custom formatting of enums, easy to expose enums as integers or whatever else.\ Quotes necessary enum strings (Null for example)\ Breaking: For those that get impacted pass in NullNamingConvention.Instance to the EnumNamingConvetion arguments on the constructor\ Breaking: Removed many of the redundant constructors for the classes, pass in the old default values to the new constructors - Merge pull request [#​898](https://togithub.com/aaubry/YamlDotNet/issues/898) from EdwardCooke/ec-removeoldframeworks\ Breaking: Removes old frameworks, .net35, .net45 - Merge pull request [#​895](https://togithub.com/aaubry/YamlDotNet/issues/895) from stijnherreman/issue-677\ Make the type converters available to custom pre-processing phase visitors. - Merge pull request [#​899](https://togithub.com/aaubry/YamlDotNet/issues/899) from EdwardCooke/ec-includenet80\ Added .net8 libraries to appveyor - Merge pull request [#​887](https://togithub.com/aaubry/YamlDotNet/issues/887) from dougbu/dougbu/blank.lines.886\ Handle blank lines in `Yaml.Text()`

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