[nginx] pdc describe updating missing data commons config

roles/nginxplus/files/conf/http/datacommons.conf

@@ -59,6 +59,7 @@ server {
         proxy_pass http://describe/describe/;
         proxy_set_header X-Forwarded-Host $host;
         proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-Proto https;
         proxy_cache describe-prodcache;
         health_check uri=/describe/health.json interval=10 fails=3 passes=2;
         # handle errors using errors.conf