oopsie: ci build keychain lock timeout on arm

.github/workflows/build-macos.yml

@@ -104,6 +104,7 @@ jobs:
           
           # Set keychain permissions
           echo "Setting keychain permissions..."
+          security set-keychain-settings -t 3600 -u build.keychain
           security set-key-partition-list -S apple-tool:,apple:,codesign: -s -k "$KEYCHAIN_PASSWORD" build.keychain
           
           # List imported certificates for debugging