- Remove field `ECDSAAllowedAccounts` from CA
- Remove `ECDSAAllowedAccounts` from CA tests
- Replace `ECDSAAllowedAccounts` with `ECDSAAllowListFilename` in
`test/config/ca-a.json` and `test/config/ca-b.json`
- Add YAML allow list file at `test/config/ecdsaAllowList.yml`
Fixes#5394