Update PowerShell SDK to 7.2.19 (#1056)

Update PowerShell SDK to 7.2.19
Update .NET SDK to 6.0.421

Author: andystaples

src/Microsoft.Azure.Functions.PowerShellWorker.csproj

@@ -21,7 +21,7 @@ Licensed under the MIT license. See LICENSE file in the project root for full li
 
   <ItemGroup>
     <PackageReference Include="Grpc.Net.Client" Version="2.52.0" />
-    <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.2.18" />
+    <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.2.19" />
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
     <PackageReference Include="Google.Protobuf" Version="3.21.9" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="6.0.3" />

test/Unit/Microsoft.Azure.Functions.PowerShellWorker.Test.csproj

@@ -10,7 +10,7 @@
     <PackageReference Include="Moq" Version="4.18.2" />
     <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
-    <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.2.18" />
+    <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.2.19" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
   </ItemGroup>

tools/helper.psm1

@@ -17,8 +17,8 @@ $DotnetSDKVersionRequirements = @{
     }
 
     '6.0' = @{
-        MinimalPatch = '418'
-        DefaultPatch = '418'
+        MinimalPatch = '421'
+        DefaultPatch = '421'
     }
 }