Support multiple versions in `bindgen!` (#7172)

This commit fixes a bug in the `bindgen!` macro where when faced with
multiple packages that differ only in version number invalid bindings
were gener

Support multiple versions in `bindgen!` (#7172)

This commit fixes a bug in the `bindgen!` macro where when faced with
multiple packages that differ only in version number invalid bindings
were generated. The fix here is to add version number information to
package module names if necessary in situations such as this. This
required some refactoring internally to have a single source of truth
for what the name of a module should be and avoid having it implicitly
calculated in two locations.

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Update WIT tooling used by Wasmtime (#5565)

* Update WIT tooling used by Wasmtime

This commit updates the WIT tooling, namely the wasm-tools family of
crates, with recent updates. Notably:

*

Update WIT tooling used by Wasmtime (#5565)

* Update WIT tooling used by Wasmtime

This commit updates the WIT tooling, namely the wasm-tools family of
crates, with recent updates. Notably:

* bytecodealliance/wasm-tools#867
* bytecodealliance/wasm-tools#871

This updates index spaces in components and additionally bumps the
minimum required version of the component binary format to be consumed
by Wasmtime (because of the index space changes). Additionally WIT
tooling now fully supports `use`.

Note that WIT tooling doesn't, at this time, fully support packages and
depending on remotely defined WIT packages. Currently WIT still needs to
be vendored in the project. It's hoped that future work with `cargo
component` and possible integration here could make the story about
depending on remotely-defined WIT more ergonomic and streamlined.

* Fix `bindgen!` codegen tests

* Add a test for `use` paths an implement support

* Update to crates.io versions of wasm-tools

* Uncomment codegen tests

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Add a `wasmtime::component::bindgen!` macro (#5317)

* Import Wasmtime support from the `wit-bindgen` repo

This commit imports the `wit-bindgen-gen-host-wasmtime-rust` crate from
the `wit-bindgen

Add a `wasmtime::component::bindgen!` macro (#5317)

* Import Wasmtime support from the `wit-bindgen` repo

This commit imports the `wit-bindgen-gen-host-wasmtime-rust` crate from
the `wit-bindgen` repository into the upstream Wasmtime repository. I've
chosen to not import the full history here since the crate is relatively
small and doesn't have a ton of complexity. While the history of the
crate is quite long the current iteration of the crate's history is
relatively short so there's not a ton of import there anyway. The
thinking is that this can now continue to evolve in-tree.

* Refactor `wasmtime-component-macro` a bit

Make room for a `wit_bindgen` macro to slot in.

* Add initial support for a `bindgen` macro

* Add tests for `wasmtime::component::bindgen!`

* Improve error forgetting `async` feature

* Add end-to-end tests for bindgen

* Add an audit of `unicase`

* Add a license to the test-helpers crate

* Add vet entry for `pulldown-cmark`

* Update publish script with new crate

* Try to fix publish script

* Update audits

* Update lock file

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