v3.7.6: EigenDA Support

Containers: nitro-node, nitro-node-dev
Compatible Upstream Version: v3.7.6

Release Summary

Incorporates upstream v3.7.6 and adds a downstream runbook articulating the wasm root generation process.

What's Changed

• feat: Devops runbook by @ethenotethan in #126
• Merge upstream v3.7.6 by @ethenotethan in #132

Full Changelog: v3.7.4...v3.7.6