Fix checksums and auto-update push (#7846)

* Re-enable auto-update for windows. Fail build on non 2xx response from updater.

* Fix format of md5 and sha256 files.

* Fix identation.

* Add critical to metadata.

* Add some logs.

* Fix pushing build.

* Attempt to fix release pushing.

* Fix missing rhash?

* Workaround broken rhash.