p.s. Obviously the number one priority for donations at the moment should be people and organisations on the ground in Ukraine πΊπ¦
However, if you want to also help Tor, the most active option is to run your own relay or bridge (see StoryDragon's post below!).
Alternatively, a quicker and easier option is to donate to the existing relay associations:
https://community.torproject.org/relay/community-resources/relay-associations
You can also donate to the Tor Project itself: