Edit configuration object: core.date_format.html_month

"""
uuid: f7293e62-1a17-488f-a9eb-ab118ddac45d\n
langcode: en\n
status: true\n
dependencies: {  }\n
_core:\n
  default_config_hash: Z7KuCUwM_WdTNvLcoltuX3_8d-s-8FZkTN6KgNwF0eM\n
id: html_month\n
label: 'Monat (HTML)'\n
locked: true\n
pattern: Y-m\n
"""