Backport to release-18: three WASI PRs#7928

Merged

pchickey merged 3 commits intorelease-18.0.0from

pch/backport_18_wasi

Feb 13, 2024

Commits on Feb 13, 2024

Preview 2 filesystem: track open_mode instead of reporting the permissions (#7876)

Pat Hickey
and
elliottt
committed
Return correct fs errors on the proxy adapter (#7926)

alexcrichton
authored and
Pat Hickey
committed
Make wasi-common self-contained, deprecate exports from wasmtime-wasi (#7881)
Pat Hickey
committed