The bug fix in commit 9ff1b6e has been re-addressed due to a potential
edge case to cause another bug to occur as a result. This fix was
implemented as a result from the review on PR: #1 (comment)
Since file was renamed to `msedge-updater`, check if Edge process is
running with simply "msedge" is no longer suitable.
- changed this to "msedge-$edge-channel"