v0.26.0: Merge pull request #2805 from cfallin/release-0.26.0

Release 0.26.0.

v0.25.0: Merge pull request #2731 from fitzgen/make-0.25.0-release

Make 0.25.0 release

v0.24.0: Bump version to 0.24.0

I used a specially modified version of the publish script to avoid
bumping the `witx` version.

v0.23.0: Bump version to 0.23.0

I used a specially modified version of the publish script to avoid
bumping the `witx` version.

v0.22.1

Bump smallvec dependency to 1.6.1

v0.22.0: Merge pull request #2557 from fitzgen/wasmtime-0.22.0

Wasmtime 0.22.0

v0.21.0

Bump to 0.21.0 (#2359)

v0.20.0

Add metadata to peepmatic crates (#2245)

v0.19.0: Wasmtime 0.19.0 and Cranelift 0.66.0 (#2027)

This commit updates Wasmtime's version to 0.19.0, Cranelift's version to
0.66.0, and updates the release notes as well.

v0.18.0

Wasmtime 0.18.0 and Cranelift 0.65.0.