perf(dependencies): upgrading deprecated dev-dependencies

package.json

@@ -57,6 +57,7 @@
     "@commitlint/cli": "^8.3.5",
     "@commitlint/config-conventional": "^8.2.0",
     "@commitlint/travis-cli": "^8.3.5",
+    "@rollup/plugin-babel": "^5.0.0",
     "@rollup/plugin-commonjs": "^11.0.2",
     "@rollup/plugin-node-resolve": "^7.1.1",
     "@semantic-release/changelog": "^5.0.0",
@@ -68,21 +69,20 @@
     "@typescript-eslint/eslint-plugin": "^2.17.0",
     "@typescript-eslint/parser": "^2.17.0",
     "babel-eslint": "^10.0.3",
-    "babel-jest": "^25.2.3",
+    "babel-jest": "^25.5.1",
     "commitizen": "^4.0.3",
     "cz-conventional-changelog": "^3.1.0",
     "eslint": "^6.8.0",
     "eslint-config-prettier": "^6.7.0",
     "eslint-plugin-prettier": "^3.1.2",
     "eslint-plugin-promise": "^4.2.1",
     "husky": "^3.1.0",
-    "jest": "^25.2.3",
+    "jest": "^25.5.4",
     "markdownlint": "^0.18.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^1.19.1",
     "rimraf": "^3.0.0",
     "rollup": "^1.26.4",
-    "rollup-plugin-babel": "^4.3.3",
     "rollup-plugin-peer-deps-external": "^2.2.0",
     "rollup-plugin-typescript2": "^0.25.3",
     "semantic-release": "^17.0.4",

rollup.config.js

@@ -1,4 +1,4 @@
-import babel from 'rollup-plugin-babel';
+import babel from '@rollup/plugin-babel';
 import resolve from '@rollup/plugin-node-resolve';
 import commonjs from '@rollup/plugin-commonjs';
 import external from 'rollup-plugin-peer-deps-external';
@@ -28,6 +28,7 @@ export default {
     }),
     external(),
     babel({
+      babelHelpers: 'bundled',
       exclude: 'node_modules/**'
     }),
     resolve(),

src/IdentityBasedPolicy.test.ts

@@ -1,4 +1,5 @@
 import { IdentityBasedPolicy } from './Policies';
+
 describe('IdentityBasedPolicy Class', () => {
   describe('when creating identity based policy', () => {
     it("don't throw an error", () => {

src/ResourceBasedPolicy.test.ts

@@ -1,4 +1,5 @@
 import { ResourceBasedPolicy } from './Policies';
+
 describe('ResourceBasedPolicy Class', () => {
   describe('when creating resource based policy', () => {
     it("don't throw an error", () => {