wasm: update Proxy-Wasm C++ host to the latest (2021-08-02).#17547

Merged

yanavlasov merged 5 commits intoenvoyproxy:mainfrom

mathetake:update-cpp-host

Aug 6, 2021

Commits on Jul 30, 2021

wasm: update Proxy-Wasm C++ host.
mathetake
committed

Commits on Aug 2, 2021

Commits on Aug 4, 2021

Merge remote-tracking branch 'origin/main' into update-cpp-host
mathetake
committed