Cardano Updates

- use the new custom Ogmios Dockerfile
- adds new yarn scripts to start the sanchonet services

# Conflicts:
#	packages/cardano-services/config/.gitrepo
#	packages/cardano-services/config/network/preview/cardano-node/config.json
#	packages/cardano-services/config/network/sanchonet/cardano-node/config.json

{"local":
  {"subdir":  "packages/cardano-services/config"
  ,"action":  "pull"}
,"remote":
  {"url":     "https://github.com/input-output-hk/cardano-configurations.git"
  ,"branch":  "master"
  ,"commit":  "65ef979cf"}
,"git-subrepo":
  {"version": "0.1.0"
  ,"commit":  "???"
  ,"origin":  "???"}}

Implement anyhow context in aggregator runtime

Bump to cardano-api-8.20

Signed-off-by: Benjamin Voiturier <[email protected]>