Bump Tomlyn from 2.0.0 to 2.2.1 (#5)

---
updated-dependencies:
- dependency-name: Tomlyn
  dependency-version: 2.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Version.props

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TomlynVersion>2.0.0</TomlynVersion>
+    <TomlynVersion>2.2.1</TomlynVersion>
     <SpectreConsoleVersion>0.54.0</SpectreConsoleVersion>
     <XunitV3Version>3.2.2</XunitV3Version>
     <MicrosoftNETTestSdkVersion>18.3.0</MicrosoftNETTestSdkVersion>