Bump demo SHA to production SHA f7a5cd299a484c15fcb55c8ea66ac1852c546215 (#290)

Co-authored-by: corneliusroemer <25161793+corneliusroemer@users.noreply.github.com>

Author: github-actions[bot]

deploy/demo/config.json

@@ -1,6 +1,6 @@
 {
   "branch": "demo",
   "special_environment": "demo",
-  "head_sha": "f45eabff68a5735cbeee78f4588d57ce52479546",
+  "head_sha": "f7a5cd299a484c15fcb55c8ea66ac1852c546215",
   "host": "demo.pathoplexus.org"
 }