[FEATURE] - Upgrade to Celestia-node v0.29.1-mocha or later

[alpe]

Problem to solve

• Use block timestamps with new Subscribe response to avoid the extra call in internal/da/client.go

See https://github.com/celestiaorg/celestia-node/releases/tag/v0.29.1-mocha

Proposed solution or feature

No response

Alternatives considered

No response

Additional context

No response