ESP IDF VSCode Extension Release v1.6.4

[ESP_bignacio]

v1.6.4

### Features and enhancements

• Add IDF Target to project configuration editor
• Add ESP-IDF Rainmaker download and build support
• Add IDF Monitor timestamps settings
• Add gitee mirrors for git cloning when using Espressif Download Server

### Bug Fixes

• Fix resolve task manager
• Increase input width in sdk configuration editor
• Update debug adapter breakpoint on running debug session
• Update IDF embed git and python versions
• Fix workspace folder scope in tasks addTask, add IDF Monitor timestamps IDF version validation