BUG: fix tap url for esa.hubble

Author: bsipocz

astroquery/esa/hubble/core.py

@@ -47,8 +47,8 @@ def __init__(self, tap_handler=None):
         super().__init__()
 
         if tap_handler is None:
-            self._tap = TapPlus(url="http://hst.esac.esa.int"
-                                    "/tap-server/tap/")
+            self._tap = TapPlus(url="https://hst.esac.esa.int"
+                                    "/tap-server/tap")
         else:
             self._tap = tap_handler