Add strong name signing and triple check package references

Author: benrr101

src/Microsoft.Data.SqlClient/src/Microsoft.Data.SqlClient.csproj

@@ -6,6 +6,16 @@
 		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 	</PropertyGroup>
 
+  <!-- Strong name signing ============================================= -->
+  <PropertyGroup Condition="'$(CDP_BUILD_TYPE)' == 'Official'">
+    <SignAssembly>true</SignAssembly>
+    <KeyFile>$(SigningKeyPath)</KeyFile>
+    <AssemblyOriginatorKeyFile>$(SigningKeyPath)</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(CDP_BUILD_TYPE)' != 'Official'">
+    <AssemblyOriginatorKeyFile>$(SigningKeyPath)</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
+  
   <!-- OS Constants ==================================================== -->
   <PropertyGroup>
     <!-- @TODO: Move to directory.build.props? -->
@@ -58,6 +68,7 @@
     <Reference Include="System.Configuration" />
     <Reference Include="System.EnterpriseServices" />
     <Reference Include="System.Transactions" />
+    
     <PackageReference Include="Azure.Core" />
     <PackageReference Include="Azure.Identity" />
     <PackageReference Include="Microsoft.Bcl.Cryptography" />
@@ -69,6 +80,8 @@
     <PackageReference Include="Microsoft.IdentityModel.JsonWebTokens" />
     <PackageReference Include="Microsoft.IdentityModel.Protocols.OpenIdConnect" />
     <PackageReference Include="System.Buffers" />
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" />
+    <PackageReference Include="System.Memory" />
     <PackageReference Include="System.Runtime.InteropServices.RuntimeInformation" />
     <PackageReference Include="System.Security.Cryptography.Pkcs" />
     <PackageReference Include="System.Text.Json" />