prettier --write doesn't seem to work on Ubuntu, but we're still using it in package.json

[TimDaub]

• on Ubuntu prettier --write will fail as it's missing a location, e.g. prettier --write .
• But it's being used here and I don't know how this could have worked prior:

  strategies/package.json

  Line 9 in ffe11f1

  "prettier": "prettier --write",

• in /schema we have addressed this problem and it seemed to fix the CI problems: neume-network/schema@65e3df9#diff-7ae45ad102eab3b6d7e7896acd08c427a9b25b346470d7bc6507b6481575d519R13