all: release v1.36.5

Change-Id: Ibc6071607a8e1afbd77b8aceeab017c0a0a7e3f9
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/647155
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Chressie Himpel <[email protected]>

Author: stapelberg

internal/version/version.go

@@ -52,8 +52,8 @@ import (
 const (
 	Major      = 1
 	Minor      = 36
-	Patch      = 4
-	PreRelease = "devel"
+	Patch      = 5
+	PreRelease = ""
 )
 
 // String formats the version string for this module in semver format.