Hash serverUrl in requests to update server

[kulmann]

Initial Checklist

• I understand this is a user story and questions should be posted in the Community Discussions
• I searched issues and couldn’t find anything (or linked relevant results below)

User Story

• As a privacy concerned user, I want that my serverUrl is not sent in plain text to the update server, so that my privacy is not compromised.

User Value

Privacy first!

Acceptance Criteria

• hash the serverUrl with sha256 before using it as query parameter for the update server check
• make sure that the unmodified string from the capabilities /config.json is used, so that the hash from desktop and from web is the same!