chore(deps-dev): bump rollup from 1.6.1 to 1.7.2

Bumps [rollup](https://github.com/rollup/rollup) from 1.6.1 to 1.7.2.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/commits)

Signed-off-by: dependabot[bot] <support@dependabot.com>

web3.js/package-lock.json

@@ -16560,20 +16560,20 @@
       }
     },
     "rollup": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-1.6.1.tgz",
-      "integrity": "sha512-2giWBZjBepr/25vkds/EzpC52xySDyhX1wPGaJ69cnZJHCuYTzIJKFzJB1DTZ8C7A1FocBbG0KhS/No3whXmzw==",
+      "version": "1.7.2",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-1.7.2.tgz",
+      "integrity": "sha512-HdbjbHsvoLDwJU/lWEyktVlLdXR7mtnNxRnzaDb+fiNiboAxDYCpwLz1zLGI3+k890PacAptSGrqJLJnABMKJg==",
       "dev": true,
       "requires": {
         "@types/estree": "0.0.39",
-        "@types/node": "^11.9.5",
+        "@types/node": "^11.11.6",
         "acorn": "^6.1.1"
       },
       "dependencies": {
         "@types/node": {
-          "version": "11.11.4",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-11.11.4.tgz",
-          "integrity": "sha512-02tIL+QIi/RW4E5xILdoAMjeJ9kYq5t5S2vciUdFPXv/ikFTb0zK8q9vXkg4+WAJuYXGiVT1H28AkD2C+IkXVw==",
+          "version": "11.11.6",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-11.11.6.tgz",
+          "integrity": "sha512-Exw4yUWMBXM3X+8oqzJNRqZSwUAaS4+7NdvHqQuFi/d+synz++xmX3QIf+BFqneW8N31R8Ky+sikfZUXq07ggQ==",
           "dev": true
         },
         "acorn": {

web3.js/package.json

@@ -111,7 +111,7 @@
     "marked": "^0.6.0",
     "prettier": "^1.14.3",
     "rimraf": "2.6.3",
-    "rollup": "1.6.1",
+    "rollup": "1.7.2",
     "rollup-plugin-babel": "^4.3.2",
     "rollup-plugin-commonjs": "9.2.1",
     "rollup-plugin-json": "^3.0.0",