build(deps): bump itext7 from 8.0.4 to 8.0.5 (#668)

Bumps [itext7](https://github.com/itext/itext7-dotnet) from 8.0.4 to 8.0.5.
- [Release notes](https://github.com/itext/itext7-dotnet/releases)
- [Commits](itext/itext-dotnet@8.0.4...8.0.5)

---
updated-dependencies:
- dependency-name: itext7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

BervProject.MergePDF/BervProject.MergePDF.csproj

@@ -8,7 +8,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="itext7" Version="8.0.4" />
+      <PackageReference Include="itext7" Version="8.0.5" />
       <PackageReference Include="itext7.bouncy-castle-adapter" Version="8.0.5" />
     </ItemGroup>