chore: extend release docs to include github release

Author: coriolinus

README.md

@@ -267,6 +267,7 @@ assert!(counter.into_map() == expected);
 
 1. Run `git cliff --bump` and copy the appropriate data into `CHANGELOG.md`
 2. Run `cargo release "$(git cliff --bumped-version | cut -c2-)"`; if all is good, rerun with `--execute`
+3. Go to <https://github.com/coriolinus/counter-rs/releases/new>, draft a release with the newest tag, summary of changes, and autogenerated release notes
 
 ## Metadata