requests/example_quote: Update example for fetching using requests.

This is a working alternative to PR micropython#919
closes: micropython#919

Signed-off-by: Jos Verlinde <Jos_Verlinde@hotmail.com>

Author: Josverl

python-ecosys/requests/example_xively.py renamed to python-ecosys/requests/example_quote.py

@@ -1,6 +1,6 @@
 import requests
 
-r = requests.get("http://api.xively.com/")
+r = requests.get("https://dummyjson.com/quotes/1")
 print(r)
 print(r.content)
 print(r.text)