* Split checking for cached state disks into its own workflow
* Fix workflow field order
* Run the top-level workflow when the reusable workflow changes
* And run dependent workflows for pull requests as well
* Remove redundant output names
* Document the existing and new workflow jobs
* Add the network to the "no disk found" message
* Tweak existing docs and descriptions
* Generate Zebra checkpoints on testnet
* Add a full sync testnet entrypoint, and simplify mainnet env vars
* Only run the full testnet sync on the main branch
* Deduplicate and update the zebra-checkpoints docs
* Add instructions for automatic checkpoint generation
* Hide some details in the release checklist
* Update release checkpoint instructions to use CI
* Only update the cache in one job on mainnet