Conductor 0.20.0

What's Changed

• Update bytemark dependency based on cargo audit warning by @Fraser999 in #1350
• Update with support for celestia-node v0.15.0 by @ethanoroshiba in #1367
• Support disabled celestia auth by @joroshiba in #1372

Breaking changes

• New ASTRIA_CONDUCTOR_NO_CELESTIA_AUTH environment variable required. When set to true, requests to celestia node are made without an authorization bearer token header entry.

Full Changelog: conductor-v0.19.0...conductor-v0.20.0