Bump rollup from 1.32.1 to 2.7.6

package.json

@@ -32,23 +32,23 @@
     "babel-loader": "^8.0.6",
     "babel-plugin-add-module-exports": "^1.0.2",
     "chai": "^4.2.0",
-    "cross-env": "^6.0.0",
+    "cross-env": "^7.0.2",
     "date-fns": "^2.0.1",
     "eslint": "^6.1.0",
     "eslint-loader": "^3.0.0",
     "faker": "^4.1.0",
     "lodash": "^4.17.15",
-    "mocha": "^6.2.0",
+    "mocha": "^7.1.1",
     "n4s": "^0.4.1",
     "node-fetch": "^2.6.0",
     "regenerator-runtime": "^0.13.3",
-    "rollup": "^1.18.0",
+    "rollup": "^2.7.6",
     "rollup-plugin-babel": "^4.3.2",
     "rollup-plugin-commonjs": "^10.0.2",
     "rollup-plugin-node-resolve": "^5.2.0",
     "rollup-plugin-replace": "^2.2.0",
     "rollup-plugin-terser": "^5.0.0",
-    "semver": "^6.3.0",
-    "sinon": "^7.3.2"
+    "semver": "^7.1.1",
+    "sinon": "^9.0.0"
   }
 }