chore: update parcel

Author: aminya

package.json

@@ -44,7 +44,8 @@
         "atom-languageclient": false,
         "fs-extra": false
       },
-      "isLibrary": true
+      "isLibrary": true,
+      "optimize": true
     }
   },
   "prettier": "prettier-config-atomic",
@@ -113,7 +114,7 @@
     "decompress-tarxz": "^3.0.0",
     "eslint-config-atomic": "^1.16.2",
     "gitly": "^2.1.2",
-    "parcel": "2.0.0-beta.3.1",
+    "parcel": "2.0.0-rc.0",
     "prettier-config-atomic": "^2.0.5",
     "shx": "0.3.3",
     "terser-config-atomic": "^0.1.1",