docs: add changelog to release notice

docs/developers/releasing.md

@@ -1,7 +1,8 @@
 # Release Workflow
 
 1. Update version in `Cargo.toml`
-2. Commit change with a meaningful message (`v0.1.1`)
-3. Tag commit using `git tag -a <new release> -m "$(git shortlog <last release>..HEAD)"`
-4. Push the tag using `git push --tags`
-5. Publish package using `cargo publish`
+1. Add entry in `CHANGELOG.md`
+1. Commit change with semantic version number (`v0.1.1`)
+1. Tag commit using `git tag -a <new release> -m "$(git shortlog <last release>..HEAD)"`
+1. Push the tag using `git push --tags`
+1. Publish package using `cargo publish`