chore(deps): update dotnet monorepo to v7

Author: renovate[bot]

SharedProps/CommonPackageRefs.props

@@ -8,7 +8,7 @@ This file contains NuGet package references that are shared between the Mac and
 		<Version>1.2.0</Version>
 	</PackageReference>
 	<PackageReference Include="Microsoft.Extensions.DependencyInjection">
-		<Version>6.0.1</Version>
+		<Version>7.0.0</Version>
 	</PackageReference>
 	<PackageReference Include="GitInfo">
 		<Version>2.3.0</Version>

scratch-link-mac/scratch-link-mac.csproj

@@ -219,10 +219,10 @@
       <Version>1.0.1</Version>
     </PackageReference>
     <PackageReference Include="System.Text.Json">
-      <Version>6.0.7</Version>
+      <Version>7.0.3</Version>
     </PackageReference>
     <PackageReference Include="System.Threading.Channels">
-      <Version>6.0.0</Version>
+      <Version>7.0.0</Version>
     </PackageReference>
   </ItemGroup>
 </Project>