fix malaysia 2025

[ArcLightSlavik]

refs #

Malaysia doesn't have any information for 2025 etc.

Added based on these calendars:
https://publicholidays.com.my/deepavali/
https://publicholidays.com.my/thaipusam/

For information, read and make sure you're okay with the Contributing guidelines.

• Tests with a significant number of years to be tested for your calendar.
• Docstrings for the Calendar class and specific methods.
• Use the workalendar.registry_tools.iso_register decorator to register your new calendar using ISO codes (optional).
• Calendar country / label added to the README.md file.
• Changelog amended with a mention like: "Added <country> by @pseudo (#)". Note Please do NOT change the version number here. It's the project maintainers' duty.

• Tests with a significant number of years to be tested for your calendar.
• Changelog amended with a mention describing your changes. Note Please do NOT change the version number here. It's the project maintainers' duty.

[ArcLightSlavik]

@jaraco Small one

[jaraco]

Thanks! Releasing as 7.11.