chore: require node 8 for samples (#128)

JustinBeckwith · Ace Nassri · commit aeda051d4c42 · 2022-11-16T16:32:15.000-08:00
diff --git a/speech/package.json b/speech/package.json
@@ -6,7 +6,7 @@
   "author": "Google Inc.",
   "repository": "googleapis/nodejs-speech",
   "engines": {
-    "node": ">=6.0.0"
+    "node": ">=8"
   },
   "scripts": {
     "test": "ava -T 20s --verbose system-test/*.test.js"
