Update devDep '@babel/preset-env' and pin 'regenerator-runtime' (#4707)

Author: juergba

package-lock.json

@@ -81,11 +81,7 @@
   "devDependencies": {
     "@11ty/eleventy": "^0.11.0",
     "@11ty/eleventy-plugin-inclusive-language": "^1.0.0",
-    "@babel/preset-env": "7.12.17",
-    "@babel/plugin-transform-regenerator": "7.12.1",
-    "regenerator-transform": "0.14.5",
-    "@babel/runtime": "7.12.5",
-    "regenerator-runtime": "0.13.7",
+    "@babel/preset-env": "^7.14.8",
     "@mocha/docdash": "^3.0.1",
     "@rollup/plugin-babel": "^5.1.0",
     "@rollup/plugin-commonjs": "^14.0.0",
@@ -137,6 +133,7 @@
     "nyc": "^15.1.0",
     "pidtree": "^0.5.0",
     "prettier": "^1.19.1",
+    "regenerator-runtime": "0.13.7",
     "remark": "^12.0.1",
     "remark-github": "^9.0.1",
     "remark-inline-links": "^4.0.0",