Update params

Author: rumackaaron

ansible/templates/changehc-params-prod.json.j2

@@ -22,7 +22,7 @@
     "parallel": false,
     "geos": ["state", "msa", "hrr", "county", "hhs", "nation"],
     "weekday": [true, false],
-    "types": ["covid","cli"],
+    "types": ["covid","cli","flu"],
     "wip_signal": "",
     "ftp_conn": {
       "host": "{{ changehc_sftp_host }}",