build(deps): bump TTIK from 0.2.0 to 0.2.1 in /plugin (#142)

Bumps [TTIK](https://github.com/Xenira/TTIK) from 0.2.0 to 0.2.1.
- [Release notes](https://github.com/Xenira/TTIK/releases)
- [Changelog](https://github.com/Xenira/TTIK/blob/master/CHANGELOG.md)
- [Commits](Xenira/TTIK@v0.2.0...v0.2.1)

---
updated-dependencies:
- dependency-name: TTIK
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

plugin/TechtonicaVr.csproj

@@ -21,7 +21,7 @@
     <PackageReference Include="BepInEx.PluginInfoProps" Version="2.*" />
     <PackageReference Include="techtonica-libs" Version="0.3.0-e" />
     <PackageReference Include="PiUtils" Version="0.2.0" />
-    <PackageReference Include="TTIK" Version="0.2.0" />
+    <PackageReference Include="TTIK" Version="0.2.1" />
     <!-- <PackageReference Include="UnityEngine.Modules" Version="5.6.0" IncludeAssets="compile" /> -->
   </ItemGroup>