Bump cloudbuild for chef to double the time (10h now) since a lot of …

…examples were added and 5h seems to timeout. This may be a temporary fix until we determine what we really want to build (#29207)

integrations/cloudbuild/chef.yaml

@@ -72,7 +72,7 @@ steps:
 logsBucket: matter-build-automation-build-logs
 
 # Global timeout for all steps
-timeout: 18000s
+timeout: 36000s
 queueTtl: 21600s
 
 artifacts: