Add LDAP Distinguished Name Helper and Credential Audit Context

- Implemented LdapDistinguishedNameHelper for escaping RDN and filter values.
- Created AuthorityCredentialAuditContext and IAuthorityCredentialAuditContextAccessor for managing credential audit context.
- Developed StandardCredentialAuditLogger with tests for success, failure, and lockout events.
- Introduced AuthorityAuditSink for persisting audit records with structured logging.
- Added CryptoPro related classes for certificate resolution and signing operations.

etc/rootpack/ru/crypto.profile.yaml

@@ -12,12 +12,16 @@ StellaOps:
     CryptoPro:
       Keys:
         - KeyId: ru-csp-default
-          LibraryPath: /opt/cprocsp/lib/amd64/libcapi20.so
-          ContainerLabel: CN=RootPack Signing
+          Algorithm: GOST12-256
+          ProviderName: "Crypto-Pro GOST R 34.10-2012 Cryptographic Service Provider"
           CertificateThumbprint: "<thumbprint>"
+          CertificateStoreLocation: LocalMachine
+          CertificateStoreName: My
+          ContainerName: CN=RootPack Signing
     Pkcs11:
       Keys:
         - KeyId: ru-token-default
+          Algorithm: GOST12-256
           LibraryPath: /usr/local/lib/librutokenecp.so
           SlotId: "0x1"
           Pin: "${PKCS11_PIN}"