Update firmware/generator.py

Co-authored-by: Giuseppe Lumia <[email protected]>

Author: Paolo Calao

firmware/generator.py

@@ -42,7 +42,7 @@ def sha2(file_path):
 
 # Runs arduino-cli
 def arduino_cli(cli_path, args=[]):
-    res = subprocess.run([cli_path, *args], capture_output=True, text=True)
+    res = subprocess.run([cli_path, *args], capture_output=True, text=True, check=True)
     return res.stdout, res.stderr
 
 def provision_binary_details(board):