http --> https (in match_stops.py too)

Forgot to change this in the match stops module, too.

emission/net/ext_service/transit_matching/match_stops.py

@@ -8,7 +8,7 @@
 
 try:
     OVERPASS_KEY = os.environ.get("OVERPASS_KEY")
-    url = 'http://overpass.geofabrik.de/' + OVERPASS_KEY + '/'
+    url = 'https://overpass.geofabrik.de/' + OVERPASS_KEY + '/'
     print("overpass configured")
 except:
     print("overpass not configured, falling back to default overleaf.de")