Include Linux zip in list of GitHub release binaries (#3350)
Include Linux zip in list of GitHub release binaries (#3350)

* Include Linux zip in list of GitHub release binaries

This matches what has been included in recent releases.

* Fix one more Linux zip reference

* Use all 1s for the numbered list in Releasing.md

Markdown renders the numbered list correctly, and this way one can easily reorder the steps
or add new steps without needing to renumber everything.
realm/SwiftLint,realm/SwiftLint,realm/SwiftLint,realm/SwiftLint