Document CE to EE upgrade process for other official installation methods

This MR cleans up and adds Source and Helm upgrade options.

Closes #1616 (closed)

restored source branch 1616-document-ce-to-ee-upgrade-process-for-other-official-installation-methods

unmarked as a Work In Progress

changed title from WIP: Resolve "Document CE to EE upgrade process for other official installation methods" to Document CE to EE upgrade process for other official installation methods

changed the description

added 1 commit

• 6b270ac0 - Updates to the upgrade page

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@marin just wanted to confirm that you don't have to install the same version over top of CE?

assigned to @marin

merged

mentioned in commit 8aec8e65