feat(WIP): update node tutorials with TxOptions for v0.15.0

[distractedm1nd]

Once node v0.15.0 is released, the API is changing to use TxOptions.

This requires changes in:

• [x] Golang Tutorial (done in #1671)
• [ ] CLI Tutorial
• [ ] Rust Tutorial (Blocked on Lumina)

And requires PRs to:

• [ ] Lumina
• [ ] celestia-openrpc