Increase timeout for win/win32-official

It looks like win-official and win32-official occasionally take 4+ hours
to complete. Even though win32-official hasn't seen any5 hour timeouts,
some runs cut it pretty close so I'm increasing timeout for that too.

Bug: 1106006, 1072012
Change-Id: I361ea8a3ee921a6af86fee34163f497529222ae2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2300628Reviewed-by: Garrett Beaty <gbeaty@chromium.org>
Commit-Queue: Stephanie Kim <kimstephanie@google.com>
Cr-Commit-Position: refs/heads/master@{#788764}

infra/config/generated/cr-buildbucket.cfg

@@ -11550,7 +11550,7 @@ buckets {
         cmd: "recipes"
       }
       properties: "{\"$build/chromium_tests\":{\"bucketed_triggers\":true},\"$build/goma\":{\"enable_ats\":true,\"rpc_extra_params\":\"?prod\",\"server_host\":\"goma.chromium.org\"},\"$kitchen\":{\"devshell\":true,\"git_auth\":true},\"mastername\":\"chromium\",\"recipe\":\"chromium\"}"
-      execution_timeout_secs: 14400
+      execution_timeout_secs: 21600
       build_numbers: YES
       service_account: "chromium-ci-builder@chops-service-accounts.iam.gserviceaccount.com"
       resultdb {
@@ -11978,7 +11978,7 @@ buckets {
         cmd: "recipes"
       }
       properties: "{\"$build/chromium_tests\":{\"bucketed_triggers\":true},\"$build/goma\":{\"enable_ats\":true,\"rpc_extra_params\":\"?prod\",\"server_host\":\"goma.chromium.org\"},\"$kitchen\":{\"devshell\":true,\"git_auth\":true},\"mastername\":\"chromium\",\"recipe\":\"chromium\"}"
-      execution_timeout_secs: 18000
+      execution_timeout_secs: 21600
       build_numbers: YES
       service_account: "chromium-ci-builder@chops-service-accounts.iam.gserviceaccount.com"
       resultdb {

infra/config/subprojects/chromium/ci.star

@@ -524,7 +524,7 @@ ci.chromium_builder(
     ),
     cores = 32,
     os = os.WINDOWS_DEFAULT,
-    execution_timeout = 4 * time.hour,
+    execution_timeout = 6 * time.hour,
     tree_closing = False,
 )
 
@@ -537,7 +537,7 @@ ci.chromium_builder(
     ),
     cores = 32,
     os = os.WINDOWS_DEFAULT,
-    execution_timeout = 5 * time.hour,
+    execution_timeout = 6 * time.hour,
     tree_closing = False,
 )