Add ReferenceTrimmer and remove unused references

Author: dfederm

Dapper.SqlBuilder/Dapper.SqlBuilder.csproj

@@ -19,7 +19,8 @@
     </PackageReference>
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="Microsoft.CSharp" />
+    <!-- Required for dynamic support; RT0003 false positive due to GenerateDocumentationFile=false -->
+    <PackageReference Include="Microsoft.CSharp" NoWarn="RT0003" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
     <Reference Include="Microsoft.CSharp" />

Directory.Packages.props

@@ -49,4 +49,7 @@
     <PackageVersion Include="xunit" Version="2.9.3" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.0.1" />
   </ItemGroup>
+  <ItemGroup>
+    <GlobalPackageReference Include="ReferenceTrimmer" Version="3.4.5" />
+  </ItemGroup>
 </Project>

benchmarks/Dapper.Tests.Performance/Dapper.Tests.Performance.csproj

@@ -15,7 +15,6 @@
     <PackageReference Include="BenchmarkDotNet" />
     <PackageReference Include="DevExpress.Xpo" />
     <PackageReference Include="EntityFramework" VersionOverride="6.5.1" />
-    <PackageReference Include="FirebirdSql.Data.FirebirdClient" />
     <PackageReference Include="linq2db.SqlServer" />
     <PackageReference Include="MySqlConnector" />
     <PackageReference Include="NHibernate" />
@@ -38,11 +37,11 @@
   </ItemGroup>
 
   <ItemGroup>
-    <!-- NU1903 warnings -->
-    <PackageReference Include="System.Text.RegularExpressions" />
-    <PackageReference Include="System.Private.Uri" />
+    <!-- NU1903 warnings - pinned for security advisories, not directly used -->
+    <PackageReference Include="System.Text.RegularExpressions" NoWarn="RT0003" />
+    <PackageReference Include="System.Private.Uri" NoWarn="RT0003" />
     <PackageReference Include="Microsoft.Data.SqlClient" />
-    <PackageReference Include="System.Net.Http" />
+    <PackageReference Include="System.Net.Http" NoWarn="RT0003" />
     <PackageReference Include="Azure.Identity" />
   </ItemGroup>
   <ItemGroup>
@@ -56,7 +55,6 @@
   <ItemGroup Condition="'$(TargetFramework)' == 'net462'">
     <ProjectReference Include="../../Dapper.EntityFramework/Dapper.EntityFramework.csproj" />
     <PackageReference Include="Microsoft.SqlServer.Types" />
-    <PackageReference Include="SubSonic" />
     <PackageReference Include="Susanoo.SqlServer" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" VersionOverride="[3.1.10]" />
     <Reference Include="Microsoft.CSharp" />