Bump Wasmtime to 2.0.0 (#4874)

This commit replaces #4869 and represents the actual version bump that
should have happened had I remembered to bump the in-tree version of
Wasmtime to 1.0.0 prior to the branch-cut date. Alas!

crates/wasi-common/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "wasi-common"
-version = "0.41.0"
+version = "2.0.0"
 authors = ["The Wasmtime Project Developers"]
 description = "WASI implementation in Rust"
 license = "Apache-2.0 WITH LLVM-exception"
@@ -20,7 +20,7 @@ links = "wasi-common-19"
 [dependencies]
 anyhow = "1.0"
 thiserror = "1.0"
-wiggle = { path = "../wiggle", default-features = false, version = "=0.41.0" }
+wiggle = { path = "../wiggle", default-features = false, version = "=2.0.0" }
 tracing = "0.1.19"
 cap-std = "0.25.0"
 cap-rand = "0.25.0"