[gopls-release-branch.0.5] gopls: update go.mod for v0.5.3-pre.2

Change-Id: Iee99cd903571bd5bef34796ef06e2122074bbfb1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/268879
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>

gopls/go.mod

@@ -4,7 +4,7 @@ go 1.12
 
 require (
 	github.com/sergi/go-diff v1.1.0
-	golang.org/x/tools v0.0.0-20201109191606-39f1305f0b06
+	golang.org/x/tools v0.0.0-20201110032815-ae45d7cf37a9
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1
 	honnef.co/go/tools v0.0.1-2020.1.6
 	mvdan.cc/gofumpt v0.0.0-20200927160801-5bfeb2e70dd6