fix: Bump MimeKit from 4.16.0 to 4.17.0

---
updated-dependencies:
- dependency-name: MimeKit
  dependency-version: 4.17.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

FileCurator/FileCurator.csproj

@@ -49,7 +49,7 @@
     <PackageReference Include="BigBook" Version="6.2.15" />
     <PackageReference Include="DocumentFormat.OpenXml" Version="3.5.1" />
     <PackageReference Include="HtmlAgilityPack" Version="1.12.4" />
-    <PackageReference Include="MimeKit" Version="4.16.0" />
+    <PackageReference Include="MimeKit" Version="4.17.0" />
     <PackageReference Include="PdfPig" Version="0.1.14" />
 	  <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.300" PrivateAssets="All" />
 	  <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="10.0.300">