Post-Release tasks #666
Description
- make rust team owner of all the new crates on crates.io
- release patch for fix(sdk): Fix regression #664 , Release matrix-sdk-base 0.5.1 #667
- squat matrix-sdk-ffi
- squat matrix-sdk-crypto-ffi
- squat matrix-sdk-appservice
- put a cross-over release of matrix-qrcode out