Update babel monorepo to v7.8.0

Author: renovate-bot

package.json

@@ -33,11 +33,11 @@
     "@aureooms/js-itertools": "3.4.0",
     "@aureooms/js-measure": "1.0.3",
     "@aureooms/js-predicate": "2.0.2",
-    "@babel/cli": "7.7.7",
-    "@babel/core": "7.7.7",
-    "@babel/polyfill": "7.7.0",
-    "@babel/preset-env": "7.7.7",
-    "@babel/register": "7.7.7",
+    "@babel/cli": "7.8.0",
+    "@babel/core": "7.8.0",
+    "@babel/polyfill": "7.8.0",
+    "@babel/preset-env": "7.8.0",
+    "@babel/register": "7.8.0",
     "argparse": "1.0.10",
     "ava": "2.4.0",
     "benchmark": "2.1.4",