Update entrypoint.sh (#137)

New address for get the SPID IDP metadata

Author: MdreW

example/entrypoint.sh

@@ -4,7 +4,7 @@
 # get IDEM MDQ key
 if [[ $GET_IDEM_MDQ_KEY == true ]]; then
   wget https://mdx.idem.garr.it/idem-mdx-service-crt.pem -O $SATOSA_KEYS_FOLDER/idem-mdx-service-crt.pem
-  wget https://registry.spid.gov.it/metadata/idp/spid-entities-idps.xml -O metadata/idp/spid-entities-idps.xml
+  wget https://registry.spid.gov.it/entities-idp -O metadata/idp/spid-entities-idps.xml
   echo "Downloaded IDEM MDQ key"
 fi