chore(package): update lockfile yarn.lock

yarn.lock

@@ -701,6 +701,11 @@ acorn@^6.0.1, acorn@^6.0.2:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.0.4.tgz#77377e7353b72ec5104550aa2d2097a2fd40b754"
   integrity sha512-VY4i5EKSKkofY2I+6QLTbTTN/UvEQPCo6eiwzzSaSWfpaDhOmStMCMod6wmuPciNq+XS0faCglFu2lHZpdHUtg==
 
+acorn@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.1.0.tgz#b0a3be31752c97a0f7013c5f4903b71a05db6818"
+  integrity sha512-MW/FjM+IvU9CgBzjO3UIPCE2pyEwUsoFl+VGdczOPEdxfGFjuKny/gN54mOuX7Qxmb9Rg9MCn2oKiSUeW+pjrw==
+
 ajv@^6.5.5:
   version "6.5.5"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.5.5.tgz#cf97cdade71c6399a92c6d6c4177381291b781a1"
@@ -4518,13 +4523,14 @@ rollup-watch@^4.3.1:
     require-relative "0.8.7"
     rollup-pluginutils "^2.0.1"
 
-rollup@^0.67.0:
-  version "0.67.3"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.67.3.tgz#55475b1b62c43220c3b4bd7edc5846233932f50b"
-  integrity sha512-TyNQCz97rKuVVbsKUTXfwIjV7UljWyTVd7cTMuE+aqlQ7WJslkYF5QaYGjMLR2BlQtUOO5CAxSVnpQ55iYp5jg==
+rollup@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.2.1.tgz#996a8c63920ab056b39507d93195222e59d2807f"
+  integrity sha512-rFf7m2MHwjSYjSCFdA7ckGluMcQRcC3dKn6uAWYrk/6wnUrdQhJJruumkk5IV/3KMdmuc9qORmTu1VPBa2Ii8w==
   dependencies:
     "@types/estree" "0.0.39"
     "@types/node" "*"
+    acorn "^6.1.0"
 
 rst-selector-parser@^2.2.3:
   version "2.2.3"