Update deps (graphql#1453)

.flowconfig

@@ -13,4 +13,4 @@ suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)?)\\)
 suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)?)\\)?:? #[0-9]+
 
 [version]
-^0.77.0
+^0.78.0

package.json

@@ -48,27 +48,27 @@
     "iterall": "^1.2.2"
   },
   "devDependencies": {
-    "@babel/cli": "7.0.0-beta.55",
-    "@babel/core": "7.0.0-beta.55",
-    "@babel/plugin-proposal-class-properties": "7.0.0-beta.55",
-    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.55",
-    "@babel/plugin-syntax-async-generators": "7.0.0-beta.55",
-    "@babel/plugin-transform-classes": "7.0.0-beta.55",
-    "@babel/plugin-transform-destructuring": "7.0.0-beta.55",
-    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.55",
-    "@babel/plugin-transform-spread": "7.0.0-beta.55",
-    "@babel/polyfill": "7.0.0-beta.55",
-    "@babel/preset-env": "7.0.0-beta.55",
-    "@babel/register": "7.0.0-beta.55",
+    "@babel/cli": "7.0.0-beta.56",
+    "@babel/core": "7.0.0-beta.56",
+    "@babel/plugin-proposal-class-properties": "7.0.0-beta.56",
+    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.56",
+    "@babel/plugin-syntax-async-generators": "7.0.0-beta.56",
+    "@babel/plugin-transform-classes": "7.0.0-beta.56",
+    "@babel/plugin-transform-destructuring": "7.0.0-beta.56",
+    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.56",
+    "@babel/plugin-transform-spread": "7.0.0-beta.56",
+    "@babel/polyfill": "7.0.0-beta.56",
+    "@babel/preset-env": "7.0.0-beta.56",
+    "@babel/register": "7.0.0-beta.56",
     "babel-eslint": "8.2.6",
     "beautify-benchmark": "0.2.4",
     "benchmark": "2.1.4",
     "chai": "4.1.2",
     "coveralls": "3.0.2",
-    "eslint": "5.2.0",
+    "eslint": "5.3.0",
     "eslint-plugin-flowtype": "2.50.0",
     "eslint-plugin-prettier": "2.6.2",
-    "flow-bin": "0.77.0",
+    "flow-bin": "0.78.0",
     "mocha": "5.2.0",
     "nyc": "12.0.2",
     "prettier": "1.14.0",