Bump BouncyCastle.Cryptography from 2.4.0 to 2.5.0 in the tests group

Bumps the tests group with 1 update: [BouncyCastle.Cryptography](https://github.com/bcgit/bc-csharp).


Updates `BouncyCastle.Cryptography` from 2.4.0 to 2.5.0
- [Commits](https://github.com/bcgit/bc-csharp/commits)

---
updated-dependencies:
- dependency-name: BouncyCastle.Cryptography
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: tests
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/iTextSharp.LGPLv2.Core/iTextSharp.LGPLv2.Core.csproj

@@ -64,7 +64,7 @@
     </ItemGroup>
     <ItemGroup>
         <PackageReference Include="SkiaSharp" Version="2.88.9"/>
-        <PackageReference Include="BouncyCastle.Cryptography" Version="2.4.0"/>
+        <PackageReference Include="BouncyCastle.Cryptography" Version="2.5.0"/>
         <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All"/>
     </ItemGroup>
     <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">