fix: Update the release instructions (#237)

The existing instructions were entirely ignoring the python part of powa-web.

While at it make the changed file list formatting consistent.

RELEASE.md

@@ -1,12 +1,13 @@
 ## Releasing a new version of PoWA-web
 
 - [ ] Ensure there's no blocker issues and pull requests are resolved.
+- [ ] Bump the powa-web `__VERSION__` in `powa/__init__.py`.
 - [ ] Make sure CI runs successfully.
 - [ ] Build and commit assets:
   - [ ] Run `npm ci` to install packages.
   - [ ] Run `npm run build` to build assets (JS and CSS).
 - [ ] Update [the changelog](https://github.com/powa-team/powa-web/blob/master/CHANGELOG) if not already up-to-date.
-- [ ] Commit the changes (files in `powa/static/dist` and changelog).
+- [ ] Commit the changes (files in `powa/static/dist`, `powa/__init__.py` and `CHANGELOG`).
 - [ ] Create a tag either from the command line or Github web interface.
 - [ ] Verify that images are pushed to Docker hub (via the powa-podman repo).
 - [ ] Publish to `pypi`.