Add note about pushing old commits

Fixes #422.

readme.md

@@ -27,7 +27,7 @@
 - Prevents [accidental publishing](https://github.com/npm/npm/issues/13248) of pre-release versions under the `latest` [dist-tag](https://docs.npmjs.com/cli/dist-tag)
 - Publishes the new version to npm, optionally under a dist-tag
 - Rolls back the project to its previous state in case publishing fails
-- Pushes commits and tags to GitHub/GitLab
+- Pushes commits and tags (newly & previously created) to GitHub/GitLab
 - Supports [two-factor authentication](https://docs.npmjs.com/getting-started/using-two-factor-authentication)
 - Enables two-factor authentication on new repositories
 - Opens a prefilled GitHub Releases draft after publish