v4.0.20

What's Changed

• 버전 업 파일 by @Jin-YJ in #2956
• fix speak block, fix language by @tlegaion in #2950
• 로봇아이 블록 문구 수정 by @irarykim in #2951
• 로봇아이 lite 블록 문구 수정 by @irarykim in #2952
• Entry.hw.portData 초기화 조건 수정 by @irarykim in #2954
• Master -> develop by @leunge in #2960
• Fix block missing for Whalesbot device by @tlegaion in #2962
• [하드웨어][4.48.0] develop <= develop-hw by @Tnks2U in #2964
• Master by @leunge in #2969

Full Changelog: v4.0.19...v4.0.20