Heroku - Fix wrong link (#1096)

Author: mvistry

_data/taps/versions/heroku.yml

@@ -0,0 +1,20 @@
+# -------------------------- #
+#      POSTGRES VERSIONS     #
+# -------------------------- #
+
+latest-version: "1"
+
+tap-name: "Heroku"
+
+released-versions:
+  - number: "1"
+    date-released: "July 31, 2018"
+    date-last-connection: "June 2, 2021"
+    deprecation-date: "June 2, 2021"
+
+  - number: "15-10-2015"
+    status: "sunset"
+    date-released: "October 15, 2015"
+    date-last-connection: "July 30, 2018"
+    deprecation-date: "September 6, 2019"
+    sunset-date: "December 1, 2019"