Update release notes link

Author: pascalberger

nuspec/nuget/Cake.Markdownlint.nuspec

@@ -16,7 +16,7 @@ This addin for Cake allows you to lint Markdown files using markdownlint.
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <copyright>Copyright © BBT Software AG and contributors</copyright>
     <tags>Cake Script Linting Markdown Markdownlint</tags>
-    <releaseNotes>https://github.com/cake-contrib/Cake.Markdownlint/releases/tag/0.1.0</releaseNotes>
+    <releaseNotes>https://github.com/cake-contrib/Cake.Markdownlint/releases/tag/0.2.0</releaseNotes>
   </metadata>
   <files>
     <file src="netstandard2.0\Cake.Markdownlint.dll" target="lib\netstandard2.0" />