Merge pull request #83 from react-component/dependabot/npm_and_yarn/rc-dialog-approx-7.4.0

Update rc-dialog requirement from ~7.3.0 to ~7.4.0

Author: afc163

package.json

@@ -68,7 +68,7 @@
     "core-js": "^2.5.1",
     "expect.js": "0.3.x",
     "precommit-hook": "^3.0.0",
-    "rc-dialog": "~7.3.0",
+    "rc-dialog": "~7.4.0",
     "rc-test": "6.x",
     "rc-tools": "8.x",
     "react": "^16.0.0",