Bump YamlDotNet from 8.1.1 to 8.1.2

Bumps [YamlDotNet](https://github.com/aaubry/YamlDotNet) from 8.1.1 to 8.1.2.
- [Release notes](https://github.com/aaubry/YamlDotNet/releases)
- [Changelog](https://github.com/aaubry/YamlDotNet/blob/master/RELEASE_NOTES.md)
- [Commits](aaubry/YamlDotNet@v8.1.1...v8.1.2)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

src/Directory.Build.props

@@ -21,7 +21,7 @@
         <PackageVersion_LibGit2Sharp_NativeBinaries>2.0.298</PackageVersion_LibGit2Sharp_NativeBinaries>
 
         <PackageVersion_JetBrainsAnnotations>2020.1.0</PackageVersion_JetBrainsAnnotations>
-        <PackageVersion_YamlDotNet>8.1.1</PackageVersion_YamlDotNet>
+        <PackageVersion_YamlDotNet>8.1.2</PackageVersion_YamlDotNet>
         <PackageVersion_NewtonsoftJson>12.0.3</PackageVersion_NewtonsoftJson>
         <PackageVersion_MicrosoftExtensions>3.0.0</PackageVersion_MicrosoftExtensions>
         <PackageVersion_MsBuild>16.5.0</PackageVersion_MsBuild>