SNOW-1463590 Bump BouncyCastle.Cryptography dependency to 2.3.1 (#964)

### Description
SNOW-1463590 Bump BouncyCastle.Cryptography dependency to 2.3.1

### Checklist
- [x] Code compiles correctly
- [x] Code is formatted according to [Coding
Conventions](../blob/master/CodingConventions.md)
- [x] Created tests which fail without the change (if possible)
- [x] All tests passing (`dotnet test`)
- [x] Extended the README / documentation, if necessary
- [x] Provide JIRA issue id (if possible) or GitHub issue id in PR name

Snowflake.Data/Snowflake.Data.csproj

@@ -29,7 +29,7 @@
     <PackageReference Include="Mono.Unix" Version="7.1.0-final.1.21458.1" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="log4net" Version="2.0.12" />
-    <PackageReference Include="BouncyCastle.Cryptography" Version="2.2.1" />
+    <PackageReference Include="BouncyCastle.Cryptography" Version="2.3.1" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="6.34.0" />
     <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
   </ItemGroup>