Update Language Version to 10 and fix related issues (PowerShell#15886)

Author: adityapatwardhan

PowerShell.Common.props

@@ -136,14 +136,16 @@
     <Copyright>(c) Microsoft Corporation.</Copyright>
 
     <TargetFramework>net6.0</TargetFramework>
-    <LangVersion>9.0</LangVersion>
+    <LangVersion>10.0</LangVersion>
     <PublishReadyToRun Condition=" '$(Configuration)' != 'Debug' ">true</PublishReadyToRun>
 
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <SuppressNETCoreSdkPreviewMessage>true</SuppressNETCoreSdkPreviewMessage>
     <NeutralLanguage>en-US</NeutralLanguage>
+    <DisableImplicitNamespaceImports>true</DisableImplicitNamespaceImports>
+    <DisableImplicitNamespaceImports_DotNet>true</DisableImplicitNamespaceImports_DotNet>
 
     <DelaySign>true</DelaySign>
     <AssemblyOriginatorKeyFile>../signing/visualstudiopublic.snk</AssemblyOriginatorKeyFile>

build.psm1

@@ -437,6 +437,14 @@ Fix steps:
         $Arguments += "--output", (Split-Path $Options.Output)
     }
 
+    # Add --self-contained due to "warning NETSDK1179: One of '--self-contained' or '--no-self-contained' options are required when '--runtime' is used."
+    if ($Options.Runtime -like 'fxdependent*') {
+        $Arguments += "--no-self-contained"
+    }
+    else {
+        $Arguments += "--self-contained"
+    }
+
     if ($Options.Runtime -like 'win*' -or ($Options.Runtime -like 'fxdependent*' -and $environment.IsWindows)) {
         $Arguments += "/property:IsWindows=true"
     }