api-maintenance - Update version numbers.

Author: EJMFarrow

api/docker/docker-compose.demo.yml

@@ -1,7 +1,7 @@
 # This is for building the University of Edinburgh STACK demo site only.
 services:
   maxima:
-    image: mathinstitut/goemaxima:2026010500-latest
+    image: mathinstitut/goemaxima:2026042200-latest
     tmpfs:
       - "/tmp"
     restart: unless-stopped

api/docker/docker-compose.yml

@@ -15,7 +15,7 @@ services:
     read_only: true
   stack:
     # Location of published STACK API image goes here.
-    image: stackmaths/stackapi:2026010500-latest
+    image: stackmaths/stackapi:2026042200-latest
     restart: unless-stopped
     ports:
       - '3080:80'