v1.2.0

This is the first release based on me-no-dev/AsyncTCP version 1.1.1, commit ca8ac5f919d02bea07b474531981ddbfd64de97c.

Changes

• Change the configuration of the task watch dog timer to be independent of the ESP32 core configuration
• Fix potential memory leak due to full queue
• Fix potential LoadProhibited crash due to fail to allocate memory
• Implement Maurice Makaay's fix for ack timeout 4 errors due to race condition
• Implement Andreas Merkle's change to detect failure on connect and return error appropriately
• Add option to change the async task's priority via preprocessor directive
• Add option to change the async taks's stack size via preprocessor directive
• Add option to configure TCP event queue size via preprocessor directive