chore: Upgrade dependencies that don't break everything (#798)

Author: tmcw

package.json

@@ -38,7 +38,7 @@
     "mime": "^1.3.4",
     "module-deps-sortable": "4.0.6",
     "parse-filepath": "^1.0.1",
-    "pify": "^2.3.0",
+    "pify": "^3.0.0",
     "read-pkg-up": "^2.0.0",
     "remark": "^7.0.0",
     "remark-html": "6.0.0",
@@ -55,7 +55,7 @@
     "vfile-sort": "^2.0.0",
     "vinyl": "^2.0.0",
     "vinyl-fs": "^2.3.1",
-    "yargs": "^6.0.0"
+    "yargs": "^6.0.1"
   },
   "devDependencies": {
     "are-we-flow-yet": "^1.0.0",
@@ -69,7 +69,7 @@
     "cz-conventional-changelog": "2.0.0",
     "documentation-schema": "0.0.1",
     "eslint": "^3.19.0",
-    "eslint-config-prettier": "^1.7.0",
+    "eslint-config-prettier": "^2.1.1",
     "eslint-plugin-flowtype": "^2.32.1",
     "flow-bin": "^0.46.0",
     "fs-extra": "^3.0.0",