Responsible use of conda-forge infrastructure

Hi @conda-forge/sagemaker-code-editor maintainers,

We have recently seen a lot of "mark as broken" PRs from your feedstock. This led me to review this feedstock again. There are several things here that are against the best practices of conda-forge:

* You opened a lot of `Update version` PRs that had no effect and were just lingering around. I have closed these.
* You seem to be updating versions (semi-automatically), but you don't rerender the feedstock.
* You are publishing dev and beta builds to the main label.
* There are several dev branches on the main label; these builds will also be uploaded to the main label. Please always use a fork and delete these branches.
* At one point, you switched from building from source to binary repackaging. Can you please revert to using `(p)npm install`?
* Optional: It seems like your build is platform independent, you could mark is as `noarch: generic` so that this package is also installable on other architectures.

cc @conda-forge/core

Please fix these issues immediately before uploading new version again.