fix: upgrade prettier from 1.18.2 to 1.19.1

Snyk has created this PR to upgrade prettier from 1.18.2 to 1.19.1.

See this package in NPM:
https://www.npmjs.com/package/prettier

See this project in Snyk:
https://app.snyk.io/org/bluewallet/project/29c066bc-abce-44d9-b68e-064466e610e7?utm_source=github&utm_medium=upgrade-pr

package-lock.json

@@ -4490,9 +4490,9 @@
       "optional": true
     },
     "prettier": {
-      "version": "1.18.2",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.18.2.tgz",
-      "integrity": "sha512-OeHeMc0JhFE9idD4ZdtNibzY0+TPHSpSSb9h8FqtP+YnoZZ1sl8Vc9b1sasjfymH3SonAF4QcA2+mzHPhMvIiw=="
+      "version": "1.19.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.19.1.tgz",
+      "integrity": "sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew=="
     },
     "prettier-linter-helpers": {
       "version": "1.0.0",

package.json

@@ -32,7 +32,7 @@
     "morgan": "^1.9.1",
     "mustache": "^3.0.1",
     "node-uuid": "^1.4.8",
-    "prettier": "^1.15.3",
+    "prettier": "^1.19.1",
     "request": "^2.88.0",
     "request-promise": "^4.2.2",
     "winston": "^3.1.0"