Bump BouncyCastle.Cryptography from 2.5.0 to 2.5.1 (#396)

Bumps [BouncyCastle.Cryptography](https://github.com/bcgit/bc-csharp) from 2.5.0 to 2.5.1.
- [Commits](https://github.com/bcgit/bc-csharp/commits)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: atakavci <[email protected]>

Author: dependabot[bot]

tests/NRedisStack.Tests/NRedisStack.Tests.csproj

@@ -31,7 +31,7 @@
     <PackageReference Include="StackExchange.Redis" Version="2.8.24" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.assert" Version="2.9.3" />
-    <PackageReference Include="BouncyCastle.Cryptography" Version="2.5.0" />
+    <PackageReference Include="BouncyCastle.Cryptography" Version="2.5.1" />
     <PackageReference Include="Microsoft.Azure.StackExchangeRedis" Version="3.1.0" />
     <PackageReference Include="Xunit.SkippableFact" Version="1.5.23" />
   </ItemGroup>