Add a whole lot of semicolons to WIT files (#7159)

To prepare this commit I've run `WIT_REQUIRE_SEMICOLONS=1 ./ci/run-tests.sh`
locally which configures `wit-parser` to generate an error for missing

Add a whole lot of semicolons to WIT files (#7159)

To prepare this commit I've run `WIT_REQUIRE_SEMICOLONS=1 ./ci/run-tests.sh`
locally which configures `wit-parser` to generate an error for missing
semicolons in WIT files. This led me to add quite a few semicolons in
quite a few places in what is going to be the first of a few batches of
semicolons.

CI checks for this cannot be added just yet because the wasi-nn spec is
a submodule which needs to be updated with semicolons before this
repository can require semicolons. Nevertheless that doesn't stop us
from using semicolons in the meantime (yay gradual rollout of changes!)
so I figure this would be good to get in sooner rather than later.

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Update Wasmtime for upcoming WIT changes (#6390)

* Update Wasmtime for upcoming WIT changes

This PR integrates bytecodealliance/wasm-tools#1027 into Wasmtime. The
main changes here are:

* WIT synt

Update Wasmtime for upcoming WIT changes (#6390)

* Update Wasmtime for upcoming WIT changes

This PR integrates bytecodealliance/wasm-tools#1027 into Wasmtime. The
main changes here are:

* WIT syntax is updated with WebAssembly/component-model#193
* Generated bindings in the `bindgen!` macro have been updated to
reflect the new structure of WIT.
* The accepted component model binary format has been updated to account
for changes.

This PR disables wasi-http tests and the on-by-default feature because
the WIT syntax has been updated but the submodule containing the WITs
has not been updated yet so there's no way to get that building
temporarily. Once that's updated then this can be reenabled.

* Update wasmtime-wasi crate with new WIT

* Add wit-bindgen override for the updated version

* Officially disable wasi-http tests/building

* Move test-reactor WIT into the main WIT files

Don't store duplicates with the rest of the WASI WIT files we have.

* Remove adapter's copy of WIT files

* Disable default features for wit-bindgen

* Plumb disabling wasi-http tests a bit more

* Fix reactor tests and adapter build

* Remove no-longer-needed feature

* Update adapter verification script

* Back out some wasi-http hacks

* Update vet and some dependency sources

* Move where wit-bindgen comes from

Make it a more "official" location which is also less likely to be
accidentally deleted in the future.

* Don't document wasi-http-tests

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Fix some wit-bindgen-related issues with generated bindings (#5692)

* Prefix component-bindgen-generated-functions with `call_`

This fixes clashes between Rust-native methods and the methods
the

Fix some wit-bindgen-related issues with generated bindings (#5692)

* Prefix component-bindgen-generated-functions with `call_`

This fixes clashes between Rust-native methods and the methods
themselves. For example right now `new` is a Rust-generated function for
constructing the wrapper but this can conflict with a world-exported
function called `new`.

Closes #5585

* Fix types being both shared and owned

This refactors some inherited cruft from the original `wit-bindgen`
repository to be more Wasmtime-specific and fixes a codegen case where
a type was used in both a shared and an owned context.

Closes #5688

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