deploy: pin docker-compose to :1.4.2 (production rollout)

The v1.4.2 GHCR image is live on the registry as of 15:59 UTC and
contains all three production hotfixes (summaries.WEIGHT,
medications array guard, healthcheck IPv4) plus the resurrected
v1.4.1 marathon work.

Coolify will pull this on the next deploy and the live site picks
up the fixes in ~30s after the container swap.

docker-compose.yml

@@ -9,7 +9,7 @@ services:
     # to the last release that's verifiably running on self-host installs to
     # rule out runtime / Docker-network issues. No `build:` block on purpose:
     # we want Coolify to PULL the prebuilt image, not build from source.
-    image: ghcr.io/mbombeck/healthlog:1.4.0
+    image: ghcr.io/mbombeck/healthlog:1.4.2
     container_name: healthlog-app
     ports:
       - "3000:3000"