all: release v1.35.2

Change-Id: I3e159766c6776efc92e93fca6d7b247d1bd3ece0
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/627875
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Michael Stapelberg <[email protected]>
Auto-Submit: Michael Stapelberg <[email protected]>

Author: chressie

internal/version/version.go

@@ -52,8 +52,8 @@ import (
 const (
 	Major      = 1
 	Minor      = 35
-	Patch      = 1
-	PreRelease = "devel"
+	Patch      = 2
+	PreRelease = ""
 )
 
 // String formats the version string for this module in semver format.