Upgrade storybook to 5.2.0-alpha.5

Author: shilman

package.json

@@ -64,13 +64,13 @@
     "@babel/plugin-transform-runtime": "^7.2.0",
     "@babel/preset-env": "^7.3.1",
     "@babel/preset-react": "^7.0.0",
-    "@storybook/addon-a11y": "^5.2.0-alpha.4",
-    "@storybook/addon-actions": "^5.2.0-alpha.4",
-    "@storybook/addon-docs": "^5.2.0-alpha.4",
-    "@storybook/addon-knobs": "^5.2.0-alpha.4",
-    "@storybook/addon-storysource": "^5.2.0-alpha.4",
-    "@storybook/addons": "^5.2.0-alpha.4",
-    "@storybook/react": "^5.2.0-alpha.4",
+    "@storybook/addon-a11y": "^5.2.0-alpha.5",
+    "@storybook/addon-actions": "^5.2.0-alpha.5",
+    "@storybook/addon-docs": "^5.2.0-alpha.5",
+    "@storybook/addon-knobs": "^5.2.0-alpha.5",
+    "@storybook/addon-storysource": "^5.2.0-alpha.5",
+    "@storybook/addons": "^5.2.0-alpha.5",
+    "@storybook/react": "^5.2.0-alpha.5",
     "babel-eslint": "^10.0.1",
     "babel-loader": "^8.0.0",
     "babel-plugin-require-context-hook": "^1.0.0",