chore: update watson-developer-cloud version in examples sub-directories

Author: dpopp07

examples/conversation_tone_analyzer_integration/package.json

@@ -8,7 +8,7 @@
   "dependencies": {
     "bluebird": "^3.4.1",
     "dotenv": "^2.0.0",
-    "watson-developer-cloud": "^3.0.1"
+    "watson-developer-cloud": "*"
   },
   "engines": {
     "node": ">=4"

examples/speech_to_text_microphone_input/package.json

@@ -14,7 +14,7 @@
     "dotenv": "^4.0.0",
     "line-in": "^0.1.2",
     "mic": "^2.1.1",
-    "watson-developer-cloud": "^2.33.0",
+    "watson-developer-cloud": "*",
     "wav": "^1.0.1"
   }
 }