Increase cloud build timeout to 12 hours (#37876)

diff --git a/integrations/cloudbuild/chef.yaml b/integrations/cloudbuild/chef.yaml
index 382b06b..2839d2e 100644
--- a/integrations/cloudbuild/chef.yaml
+++ b/integrations/cloudbuild/chef.yaml
@@ -61,7 +61,7 @@
 logsBucket: matter-build-automation-build-logs
 
 # Global timeout for all steps
-timeout: 36000s
+timeout: 43200s
 queueTtl: 21600s
 
 artifacts: