A few solutions come to mind:

-apps to compress the video, before uploading to nostr.build free tier

-nostr.build paid tiers

- nostr:npub1cc79kn3phxc7c6mn45zynf4gtz0khkz59j4anew7dtj8fv50aqrqlth2hf it’s a data vending machine not with lots of features. One of them is to rip videos from sources like YouTube and host them for nostr. You can DM it with:

10 link of video

You can also DM it with hi and it will show you all that it can do