Update release instructions (#143)

Author: nmuesch

RELEASING.md

@@ -7,27 +7,21 @@ This project does not have a strict release schedule. However, we would make a r
   - No release will be done if no changes got merged to the `master` branch during the above mentioned window.
   - Releases may be done more frequently than the above mentioned window.
 
-## Make Sure Everything Works
-* Make sure tests are passing.
-  - Locally and in the continuous integration system.
-* Make sure documentation is up-to-date and building correctly.
-* Build the package locally (e.g. `python3 setup.py sdist`), install it into a fresh virtualenv and test the changes that have been made since the last release.
-
 ## Release Process
 Our team will trigger the release pipeline.
 
 ### Prerequisite 
 - Install [datadog_checks_dev](https://datadog-checks-base.readthedocs.io/en/latest/datadog_checks_dev.cli.html#installation) using Python 3.
-- Setup PyPI, see the internal documentation for more details
 
 ### Update Changelog
 #### Commands
 - See changes ready for release by running `ddev release show changes .` at the root of this project. Add any missing labels to PRs if needed.
 - Run `ddev release changelog . <NEW_VERSION>` to update the `CHANGELOG.md` file at the root of this repository
-- Commit the changes to the repository in a release branch and open a PR. Do not merge yet.
+- Commit the changes to the repository in a release branch and open a PR.
+    - Ensure CI passes fully here, this is the commit that will be released!
+    - Ensure the [documentation builds](https://readthedocs.org/projects/datadog-api-client/builds/) are passing
+    - Get this PR approved and merged
 
 ### Release
 1. Create the release on GitHub. [Example](https://github.com/DataDog/datadog-api-client-python/releases/tag/1.0.0b1)
-1. Checkout the tag created at the previous step.
-1. Run `ddev release build .` and `ddev release upload . `.
-   - Make sure that both an `sdist` and a [universal wheel](https://packaging.python.org/guides/distributing-packages-using-setuptools/#universal-wheels) have been uploaded to [PyPI](https://pypi.python.org/pypi/datadog/).
+1. A github action will kick off that builds and publishes this tag to PyPI. Confirm the [release is available](https://pypi.org/project/datadog-api-client/#history)