[#8535] Upgrade TimerMiddleware 0.6.2 -> 0.6.3, and its deps: WebOb

    TimerMiddleware                   0.6.2 -> 0.6.3
        WebOb                         1.8.7 -> no upgrade
diff --git a/requirements.txt b/requirements.txt
index 31d6d27..a1a7562 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -232,7 +232,7 @@
     # via -r requirements.in
 textile==4.0.2
     # via pypeline
-timermiddleware==0.6.2
+timermiddleware==0.6.3
     # via -r requirements.in
 tinycss2==1.1.1
     # via bleach