Bump rollup from 0.66.6 to 1.2.3

Bumps [rollup](https://github.com/rollup/rollup) from 0.66.6 to 1.2.3.
- [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/v0.66.6...v1.2.3)

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

package-lock.json

@@ -9,9 +9,15 @@
       "dev": true
     },
     "@types/node": {
-      "version": "10.12.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.1.tgz",
-      "integrity": "sha512-i1sl+WCX2OCHeUi9oi7PiCNUtYFrpWhpcx878vpeq/tlZTKzcFdHePlyFHVbWqeuKN0SRPl/9ZFDSTsfv9h7VQ==",
+      "version": "11.9.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-11.9.5.tgz",
+      "integrity": "sha512-vVjM0SVzgaOUpflq4GYBvCpozes8OgIIS5gVXVka+OfK3hvnkC1i93U8WiY2OtNE4XUWyyy/86Kf6e0IHTQw1Q==",
+      "dev": true
+    },
+    "acorn": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.0.tgz",
+      "integrity": "sha512-MW/FjM+IvU9CgBzjO3UIPCE2pyEwUsoFl+VGdczOPEdxfGFjuKny/gN54mOuX7Qxmb9Rg9MCn2oKiSUeW+pjrw==",
       "dev": true
     },
     "arr-diff": {
@@ -763,13 +769,14 @@
       "dev": true
     },
     "rollup": {
-      "version": "0.66.6",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-0.66.6.tgz",
-      "integrity": "sha512-J7/SWanrcb83vfIHqa8+aVVGzy457GcjA6GVZEnD0x2u4OnOd0Q1pCrEoNe8yLwM6z6LZP02zBT2uW0yh5TqOw==",
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-1.2.3.tgz",
+      "integrity": "sha512-hTWFogj/Z077imG9XRM1i43ffarWNToDgsqkU62eJRX4rJE213/c8+gUIf4xacfzytl0sjJZfCzzPQfZN7oIQg==",
       "dev": true,
       "requires": {
         "@types/estree": "0.0.39",
-        "@types/node": "10.12.1"
+        "@types/node": "*",
+        "acorn": "^6.1.0"
       }
     },
     "rollup-plugin-svelte": {

package.json

@@ -1,6 +1,6 @@
 {
   "devDependencies": {
-    "rollup": "^0.66.6",
+    "rollup": "^1.2.3",
     "rollup-plugin-svelte": "^5.0.3",
     "svelte": "^2.16.1"
   }