chore(deps): upgrade VsixSdk to 0.4.0 and add VSSDK.BuildTools

- Upgrade CodingWithCalvin.VsixSdk from 0.3.0 to 0.4.0
- Add Microsoft.VSSDK.BuildTools 17.* package reference
- Remove redundant DeployExtension property (SDK handles this)

Author: CalvinAllen

src/CodingWithCalvin.OpenInNotepadPlusPlus/CodingWithCalvin.OpenInNotepadPlusPlus.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="CodingWithCalvin.VsixSdk/0.3.0">
+<Project Sdk="CodingWithCalvin.VsixSdk/0.4.0">
 
   <PropertyGroup>
     <TargetFramework>net48</TargetFramework>
@@ -8,12 +8,9 @@
     <OutputPath>bin/$(Configuration)/</OutputPath>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(Configuration)' == 'Debug'">
-    <DeployExtension>True</DeployExtension>
-  </PropertyGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.VisualStudio.SDK" Version="17.14.40265" />
+    <PackageReference Include="Microsoft.VSSDK.BuildTools" Version="17.*" PrivateAssets="all" />
 	<PackageReference Include="CodingWithCalvin.Otel4Vsix" Version="0.2.2" />
   </ItemGroup>