Create 2025 release schedule

[elycheea]

As the end of the year approaches, we will also need to make sure to update our release schedule for next year.

1H2025 dates

Code freeze	Release date	Version	Status
Jan 13, 2025	Jan 22, 2025	2.58.0	Unreleased
Jan 27, 2025	Feb 5, 2025	2.59.0	Unreleased
Feb 10, 2025	Feb 19, 2025	2.60.0	Unreleased
Feb 24, 2025	Mar 5, 2025	2.61.0	Unreleased
Mar 10, 2025	Mar 19, 2025	2.62.0	Unreleased
Mar 24, 2025	Apr 2, 2025	2.63.0	Unreleased
Apr 7, 2025	Apr 16, 2025	2.64.0	Unreleased
Apr 21, 2025	Apr 30, 2025	2.65.0	Unreleased
May 5, 2025	May 14, 2025	2.66.0	Unreleased
May 19, 2025	May 28, 2025	2.67.0	Unreleased
Jun 2, 2025	Jun 11, 2025	2.68.0	Unreleased
Jun 16, 2025	Jun 25, 2025	2.69.0	Unreleased
Jun 30, 2025	Jul 9, 2025	2.70.0	Unreleased

• Add 2H2025 dates
• Review for typos (years, days, release numbers)
• Review for holidays