(#136) Ensure VSIX identity is different

We either followed the instructions wrong, or the instructions got
updated since we first read them.  I think the latter!

Author: gep13

src/Cake.VisualStudio.2022/source.extension.vsixmanifest

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PackageManifest Version="2.0.0" xmlns="http://schemas.microsoft.com/developer/vsx-schema/2011" xmlns:d="http://schemas.microsoft.com/developer/vsx-schema-design/2011">
     <Metadata>
-        <Identity Id="3cf9b016-d63f-44ee-849d-6f3efc996134" Version="0.1.1.0" Language="en-US" Publisher="Cake Build" />
+        <Identity Id="ad71f4ec-6358-47a3-8a27-d9dc61d0606b" Version="0.1.1.0" Language="en-US" Publisher="Cake Build" />
         <DisplayName>Cake for Visual Studio 2022</DisplayName>
         <Description xml:space="preserve">Adds support for the Cake build tool in Visual Studio 2022. Includes support for the Task Runner Explorer, new templates and bootstrapping important Cake files.</Description>
         <MoreInfo>https://github.com/cake-build/cake-vs</MoreInfo>