[Holesky] v0.8.3-rc.0

This is an optional but recommended release for all Holeksy operators.

You can follow the upgrade guide for the instructions.
Please pull the latest operator setup repository.

Updates required to .env file:

MAIN_SERVICE_IMAGE=ghcr.io/layr-labs/eigenda/opr-node:0.8.3-rc.0

What's Changed

• Backmerge release/0.8.0 to master by @jianoaix in #141
• upgrade holeky to v0.8.0-rc.0 by @jianoaix in #142

Full Changelog: v0.8.0...v0.8.3-rc.0