Increase chef cloud build timeout to 5 hours (#23843)

diff --git a/integrations/cloudbuild/chef.yaml b/integrations/cloudbuild/chef.yaml
index dcab965..7fcdb11 100644
--- a/integrations/cloudbuild/chef.yaml
+++ b/integrations/cloudbuild/chef.yaml
@@ -53,7 +53,7 @@
 logsBucket: matter-build-automation-build-logs
 
 # Global timeout for all steps
-timeout: 14400s
+timeout: 18000s
 queueTtl: 21600s
 
 artifacts: