This clears the diagnostics that were added by the `Check for
upgrades` codelens for the given go.mod file. The diagnostic
source for the diagnostics from `Check for upgrades` is now
modCheckUpgradesSource instead of modSource in order to allow
us to easily clear these diagnostics.
Fixesgolang/go#54065
Change-Id: I7c0824ce1fdfcf2a73ec83342501ceed82fc519f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/426016
Reviewed-by: Alan Donovan <adonovan@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Suzy Mueller <suzmue@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>