Bump @babel/plugin-transform-arrow-functions in /src/packages/utils (#2558)

Bumps [@babel/plugin-transform-arrow-functions](https://github.com/babel/babel/tree/HEAD/packages/babel-plugin-transform-arrow-functions) from 7.8.3 to 7.12.1.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.12.1/packages/babel-plugin-transform-arrow-functions)

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src/packages/utils/package-lock.json

@@ -503,12 +503,12 @@
       }
     },
     "@babel/plugin-transform-arrow-functions": {
-      "version": "7.8.3",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.8.3.tgz",
-      "integrity": "sha512-0MRF+KC8EqH4dbuITCWwPSzsyO3HIWWlm30v8BbbpOrS1B++isGxPnnuq/IZvOX5J2D/p7DQalQm+/2PnlKGxg==",
+      "version": "7.12.1",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.12.1.tgz",
+      "integrity": "sha512-5QB50qyN44fzzz4/qxDPQMBCTHgxg3n0xRBLJUmBlLoU/sFvxVWGZF/ZUfMVDQuJUKXaBhbupxIzIfZ6Fwk/0A==",
       "dev": true,
       "requires": {
-        "@babel/helper-plugin-utils": "^7.8.3"
+        "@babel/helper-plugin-utils": "^7.10.4"
       }
     },
     "@babel/plugin-transform-async-to-generator": {

src/packages/utils/package.json

@@ -35,7 +35,7 @@
   },
   "devDependencies": {
     "@babel/core": "7.9.0",
-    "@babel/plugin-transform-arrow-functions": "7.8.3",
+    "@babel/plugin-transform-arrow-functions": "7.12.1",
     "@babel/plugin-transform-async-to-generator": "7.8.3",
     "@babel/plugin-transform-runtime": "^7.12.1",
     "@babel/plugin-transform-typescript": "7.9.4",