Sensor changelog

New sensor version (from v6.2.6 to v6.4.3) with the following enhancements:

• Further improvements of replay attack detection, specifically for Human Challenge
• Improved fingerprint performance and detection capabilities
• Additional automation tool detection (e.g. Puppeteer)
• Better code obfuscation
• window._pxAppId self-assignment (no longer needed as part of the sensor snippet)