Holiday "Mariä Himmelfahrt" missing for region 'BY' in locale 'de-DE'

[sam701]

Describe the bug
A clear and concise description of what the bug is.

• Which locale is affected?
  • de-DE
• Which holidays are affected?
  • *-08-15
• Which years does the bug affect?
  • All years

Expected behavior
Every year Aug 15 is a holiday in Bavaria (BY), Germany. The line

{"locale":"de-DE","region":"SL","date":"2023-08-15","description":"Mariä Himmelfahrt","type":"RF","notes":""}

applies also to region BY.

See https://www.feiertage-bayern.de/feiertage/2024

[lauft]

Thanks for your input ❤️