Release 2.3.0

[2.3.0] - 2026-01-15

✨ Added

• Added is_connected property to S7Client.
• Added context manager support to improve connection lifecycle handling.

♻️ Refactored

• Extracted TSAP validation into a reusable helper function.
• Improved error handling specificity during client connection.
• Consolidated memory area address parsing logic.
• General code quality improvements.

🧹 Changed

• Logging: log the actual COTP packet for debugging purposes.

Full Changelog: 2.2.1...2.3.0