fix: move react-transition-context to dependencies

Author: jedwards1211

package.json

@@ -138,7 +138,6 @@
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
     "react-hot-loader": "^3.1.3",
-    "react-transition-context": "^5.0.0",
     "rimraf": "^2.6.0",
     "semantic-release": "^15.13.3",
     "sinon": "^4.1.4",
@@ -149,7 +148,8 @@
   "dependencies": {
     "@babel/runtime": "^7.1.5",
     "inline-style-prefixer": "^4.0.0",
-    "prop-types": "^15.6.0"
+    "prop-types": "^15.6.0",
+    "react-transition-context": "^5.0.0"
   },
   "peerDependencies": {
     "react": "^16.8.0"