chore(release): v0.34.0

[grumbach]

[0.34.0] - 2025-09-05

Added

• Easy-to-use streaming functions: new stream_encrypt and streaming_decrypt functions provide
  simplified APIs for streaming encryption/decryption without requiring manual stream management.
• In-memory streaming encryption: streaming encryption now operates entirely in memory,
  eliminating disk I/O dependencies for better performance.
• Random access streaming decryption: added random access functionality for streaming decryption,
  enabling flexible data retrieval patterns.

Changed

• Streaming API improvements: greatly enhanced streaming functionality with better memory
  management and performance optimizations.
• Code organization: consolidated streaming functionality and removed legacy streaming code for
  better maintainability.

Removed

• Legacy streaming implementation: removed outdated stream_old code as part of codebase cleanup.