Update release procedure
It can be easy to miss something that's required for a
release, so run cargo publish as a dry run to make sure
everything's set.
@@ -20,6 +20,8 @@ The release is prepared as follows:
- In `Cargo.toml`, change the libc dependency to the latest version.
- In `README.md`, update the version in the Usage section to the new
version.
+- Confirm that everything's ready for a release by running
+ `cargo publish --dry-run`
- Make a pull request.
- Once the PR is merged, tag the merge commit, e.g. `git tag v0.8.3
$MERGE_COMMIT_SHA1`.
