message: Bump bridge lib version
diff: "escape-string-regexp": "^1.0.5",
  "js-yaml": "^3.10.0",
  "marked": "^0.3.15",
  - "matrix-appservice-bridge": "^1.5.0a",
  + "matrix-appservice-bridge": "^1.7.0",
  "mime": "^1.6.0",
  "moment": "^2.22.2",
  "pg-promise": "^8.5.1",
  