chore(deps-dev): bump @babel/core (#40)

Automatic merge of Dependabot PR

Author: dependabot[bot]

experimental/packages/opentelemetry-exporter-metrics-otlp-grpc/package.json

@@ -47,7 +47,7 @@
     "access": "public"
   },
   "devDependencies": {
-    "@babel/core": "7.16.0",
+    "@babel/core": "7.29.6",
     "@opentelemetry/api": "^1.0.0",
     "@opentelemetry/api-metrics": "0.30.0",
     "@types/mocha": "8.2.3",