Add support for ГОСТ Р 34.10 digital signatures

- Implemented the GostKeyValue class for handling public key parameters in ГОСТ Р 34.10 digital signatures.
- Created the GostSignedXml class to manage XML signatures using ГОСТ 34.10, including methods for computing and checking signatures.
- Developed the GostSignedXmlImpl class to encapsulate the signature computation logic and public key retrieval.
- Added specific key value classes for ГОСТ Р 34.10-2001, ГОСТ Р 34.10-2012/256, and ГОСТ Р 34.10-2012/512 to support different signature algorithms.
- Ensured compatibility with existing XML signature standards while integrating ГОСТ cryptography.

src/Cli/StellaOps.Cli/StellaOps.Cli.csproj

@@ -41,7 +41,6 @@
     <ProjectReference Include="../../__Libraries/StellaOps.Configuration/StellaOps.Configuration.csproj" />
     <ProjectReference Include="../../__Libraries/StellaOps.Cryptography/StellaOps.Cryptography.csproj" />
     <ProjectReference Include="../../__Libraries/StellaOps.Cryptography.Kms/StellaOps.Cryptography.Kms.csproj" />
-    <ProjectReference Include="../../__Libraries/StellaOps.Cryptography.Plugin.CryptoPro/StellaOps.Cryptography.Plugin.CryptoPro.csproj" />
     <ProjectReference Include="../../__Libraries/StellaOps.Cryptography.Plugin.Pkcs11Gost/StellaOps.Cryptography.Plugin.Pkcs11Gost.csproj" />
     <ProjectReference Include="../../AirGap/StellaOps.AirGap.Policy/StellaOps.AirGap.Policy/StellaOps.AirGap.Policy.csproj" />
     <ProjectReference Include="../../Authority/StellaOps.Authority/StellaOps.Auth.Abstractions/StellaOps.Auth.Abstractions.csproj" />
@@ -50,4 +49,8 @@
     <ProjectReference Include="../../Scanner/__Libraries/StellaOps.Scanner.EntryTrace/StellaOps.Scanner.EntryTrace.csproj" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(StellaOpsEnableCryptoPro)' == 'true'">
+    <ProjectReference Include="../../__Libraries/StellaOps.Cryptography.Plugin.CryptoPro/StellaOps.Cryptography.Plugin.CryptoPro.csproj" />
+  </ItemGroup>
+
 </Project>