Change support organisation in staging environment

Author: samcoy3

config/settings/staging.yml

@@ -12,7 +12,7 @@ nhs_api:
 cis2:
   # yamllint disable-line rule:line-length
   issuer: https://am.nhsint.auth-ptl.cis2.spineservices.nhs.uk:443/openam/oauth2/realms/root/realms/NHSIdentity/realms/Healthcare
-  support_organisation: RX4
+  support_organisation: Y90128
 
 pds:
   raise_unknown_gp_practice: false