chore(deps-dev): bump rollup from 1.4.1 to 1.5.0

Bumps [rollup](https://github.com/rollup/rollup) from 1.4.1 to 1.5.0.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v1.4.1...v1.5.0)

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

web3.js/package-lock.json

@@ -16449,9 +16449,9 @@
       }
     },
     "rollup": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-1.4.1.tgz",
-      "integrity": "sha512-YWf5zeR6SWtqZmCnuYs4a+ZJetj8NT4yfBMPXekWHW4L3144jM+J2AWagQVejB0FwCqjEUP9l8o4hg1rPDfQlg==",
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-1.5.0.tgz",
+      "integrity": "sha512-xs32mjZhXmUPL+1u300YKFoN/Oqa0VoOkVu/5/bf2n60NpHgoO2L1mevuZg4ltkjrcO2dUfaTvCZzD3BPuAyQQ==",
       "dev": true,
       "requires": {
         "@types/estree": "0.0.39",
@@ -16460,9 +16460,9 @@
       },
       "dependencies": {
         "@types/node": {
-          "version": "11.10.4",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-11.10.4.tgz",
-          "integrity": "sha512-wa09itaLE8L705aXd8F80jnFpxz3Y1/KRHfKsYL2bPc0XF+wEWu8sR9n5bmeu8Ba1N9z2GRNzm/YdHcghLkLKg==",
+          "version": "11.10.5",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-11.10.5.tgz",
+          "integrity": "sha512-DuIRlQbX4K+d5I+GMnv+UfnGh+ist0RdlvOp+JZ7ePJ6KQONCFQv/gKYSU1ZzbVdFSUCKZOltjmpFAGGv5MdYA==",
           "dev": true
         },
         "acorn": {

web3.js/package.json

@@ -111,7 +111,7 @@
     "marked": "^0.6.0",
     "prettier": "^1.14.3",
     "rimraf": "2.6.3",
-    "rollup": "1.4.1",
+    "rollup": "1.5.0",
     "rollup-plugin-babel": "^4.3.2",
     "rollup-plugin-commonjs": "9.2.1",
     "rollup-plugin-json": "^3.0.0",