Upgrade NuGet dependencies, bump v5.16.0

Upgraded AngleSharp, MailKit, MimeKit, Microsoft.SourceLink.GitHub, and System.Configuration.ConfigurationManager to their latest versions

Author: axunonb

.github/workflows/build.yml

@@ -17,7 +17,7 @@ env:
   DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
   DOTNET_CLI_TELEMETRY_OPTOUT: 1
   DOTNET_NOLOGO: true
-  VERSION: '5.15.0'
+  VERSION: '5.16.0'
 
 jobs:
 

Src/MailMergeLib/MailMergeLib.csproj

@@ -55,20 +55,20 @@ https://github.com/axuno/MailMergeLib/releases</PackageReleaseNotes>
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="AngleSharp" Version="1.5.0" />
-        <PackageReference Include="MailKit" Version="4.16.0" />
-        <PackageReference Include="MimeKit" Version="4.16.0" />
+        <PackageReference Include="AngleSharp" Version="1.5.2" />
+        <PackageReference Include="MailKit" Version="4.17.0" />
+        <PackageReference Include="MimeKit" Version="4.17.0" />
         <PackageReference Include="SmartFormat.NET" Version="3.6.1" />
         <PackageReference Include="YAXLib" Version="4.4.0" />
-        <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.203">
+        <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.301">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
     </ItemGroup>
 
     <ItemGroup Condition=" '$(TargetFramework)' == 'net462' ">
         <Reference Include="System.Configuration" />
-        <PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.7" />
+        <PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.10" />
         <PackageReference Include="System.Text.Encoding.Extensions" Version="4.3.0" />
     </ItemGroup>