Update babel monorepo to v7.15.4

Author: renovate-bot

package.json

@@ -72,9 +72,9 @@
     "babel-core": "7.0.0-bridge.0"
   },
   "devDependencies": {
-    "@babel/core": "7.15.0",
+    "@babel/core": "7.15.4",
     "@babel/plugin-proposal-class-properties": "7.14.5",
-    "@babel/plugin-proposal-decorators": "7.14.5",
+    "@babel/plugin-proposal-decorators": "7.15.4",
     "@babel/plugin-proposal-export-namespace-from": "7.14.5",
     "@babel/plugin-proposal-function-sent": "7.14.5",
     "@babel/plugin-proposal-json-strings": "7.14.5",
@@ -83,11 +83,11 @@
     "@babel/plugin-syntax-dynamic-import": "7.8.3",
     "@babel/plugin-syntax-import-meta": "7.10.4",
     "@babel/plugin-transform-runtime": "7.15.0",
-    "@babel/preset-env": "7.15.0",
+    "@babel/preset-env": "7.15.4",
     "babel-preset-react-optimize": "1.0.1",
     "@babel/preset-react": "7.14.5",
     "@babel/register": "7.15.3",
-    "@babel/runtime": "7.15.3",
+    "@babel/runtime": "7.15.4",
     "babel-core": "7.0.0-bridge.0",
     "babel-eslint": "10.1.0",
     "babel-jest": "25.5.1",