Update dependencies to latest versions. (#57)

Update dependencies to latest versions.

Author: rwjblue

package.json

@@ -34,32 +34,32 @@
     "test": "qunit tests/**/*-test.js"
   },
   "dependencies": {
-    "@babel/parser": "^7.0.0-beta.53",
-    "chalk": "^2.4.1",
+    "@babel/parser": "^7.3.2",
+    "chalk": "^2.4.2",
     "common-tags": "^1.8.0",
-    "execa": "^0.10.0",
-    "fs-extra": "^6.0.1",
-    "globby": "^8.0.1",
+    "execa": "^1.0.0",
+    "fs-extra": "^7.0.1",
+    "globby": "^9.0.0",
     "import-cwd": "^2.1.0",
-    "import-local": "^1.0.0",
-    "jscodeshift": "^0.5.1",
+    "import-local": "^2.0.0",
+    "jscodeshift": "^0.6.3",
     "pkg-up": "^2.0.0",
-    "recast": "^0.16.1",
-    "yargs": "^11.0.0"
+    "recast": "^0.17.3",
+    "yargs": "^13.2.0"
   },
   "devDependencies": {
-    "broccoli-test-helper": "^1.3.0",
+    "broccoli-test-helper": "^2.0.0",
     "co": "^4.6.0",
-    "eslint": "^4.19.1",
-    "eslint-config-prettier": "^2.9.0",
-    "eslint-plugin-node": "^6.0.1",
-    "eslint-plugin-prettier": "^2.6.0",
-    "jest": "^23.1.0",
-    "lerna-changelog": "^0.8.0",
-    "prettier": "^1.13.5",
-    "qunit": "^2.6.1",
-    "require-so-slow": "^1.0.1",
-    "walk-sync": "^0.3.2"
+    "eslint": "^5.14.0",
+    "eslint-config-prettier": "^4.0.0",
+    "eslint-plugin-node": "^8.0.1",
+    "eslint-plugin-prettier": "^3.0.1",
+    "jest": "^24.1.0",
+    "lerna-changelog": "^0.8.2",
+    "prettier": "^1.16.4",
+    "qunit": "^2.9.1",
+    "require-so-slow": "^1.2.0",
+    "walk-sync": "^1.1.3"
   },
   "engines": {
     "node": "6.* || 8.* || >= 10"