A recent failure of post-merge image build suggested the need for a
pre-merge sanity check to avoid unintentionally merging changes that
break the image build.
* [antithesis] Propose initial test setup
* fixup: Simplify generation of docker compose artifacts
* fixup: Ensure images will be pushed
* fixup: Update to use refactored antithesis tooling from avalanchego
* fixup: Update workload to use tmpnet
* fixup: Add workload sanity check to CI job
* fixup: Resolved workload errors
* fixup: Generate deterministic keys
* fixup: Fix invocation of gen_antithesis_compose_config
* fixup: Update to use StoppedTimer
* fixup: Respond to review feedback
* fixup: Move embedded comment out of trigger action
* fixup: Get image build test passing
* fixup: Update how runtime plugin dir is provided
* fixup: Update avalanchego version
* refactor docker yml and scripts
* enable pr for test
* fix path
* fix path
* rename img id
* try simpler name
* use -a
* test tag
* remove test steps
* remove avalanchego from image id