Replace image in compose file

Replace

```yaml
image: ${KURRENTDB_DOCKER_REGISTRY:-docker.kurrent.io/eventstore}/${KURRENTDB_DOCKER_IMAGE:-eventstoredb-ee}:${KURRENTDB_DOCKER_TAG:-lts}
```

with

```yaml
image: ${KURRENTDB_DOCKER_REGISTRY:-kurrentplatform/${KURRENTDB_DOCKER_IMAGE:-kurrentdb}:${KURRENTDB_DOCKER_TAG:-lts}
```