Update release notes link

Author: pascalberger

nuspec/nuget/Cake.Issues.InspectCode.nuspec

@@ -23,7 +23,7 @@ See the Project Site for an overview of the whole ecosystem of addins for workin
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <copyright>Copyright © BBT Software AG and contributors</copyright>
     <tags>Cake Script Cake-Issues Cake-IssueProvider CodeAnalysis Linting InspectCode</tags>
-    <releaseNotes>https://github.com/cake-contrib/Cake.Issues.InspectCode/releases/tag/0.3.0</releaseNotes>
+    <releaseNotes>https://github.com/cake-contrib/Cake.Issues.InspectCode/releases/tag/0.4.0</releaseNotes>
   </metadata>
   <files>
     <file src="Cake.Issues.InspectCode.dll" target="lib\net46" />