build(deps): Bump rollup from 1.1.2 to 1.2.1 (#232)

yarn.lock

@@ -1731,10 +1731,10 @@ acorn@5.X, acorn@^5.0.0, acorn@^5.0.3, acorn@^5.5.3, acorn@^5.6.2, acorn@^5.7.3:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.3.tgz#67aa231bf8812974b85235a96771eb6bd07ea279"
   integrity sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==
 
-acorn@^6.0.1, acorn@^6.0.2, acorn@^6.0.5:
-  version "6.0.5"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.0.5.tgz#81730c0815f3f3b34d8efa95cb7430965f4d887a"
-  integrity sha512-i33Zgp3XWtmZBMNvCr4azvOFeWVw1Rk6p3hfi3LUDvIFraOMywb1kAtrbi+med14m4Xfpqm3zRZMT+c0FNE7kg==
+acorn@^6.0.1, acorn@^6.0.2, 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==
 
 agent-base@4, agent-base@^4.1.0, agent-base@~4.2.0:
   version "4.2.1"
@@ -13058,13 +13058,13 @@ rollup@^0.63.4:
     "@types/node" "*"
 
 rollup@^1.0.0:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.1.2.tgz#8d094b85683b810d0c05a16bd7618cf70d48eba7"
-  integrity sha512-OkdMxqMl8pWoQc5D8y1cIinYQPPLV8ZkfLgCzL6SytXeNA2P7UHynEQXI9tYxuAjAMsSyvRaWnyJDLHMxq0XAg==
+  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 "^6.0.5"
+    acorn "^6.1.0"
 
 rsvp@^3.3.3:
   version "3.6.2"