chore(deps): update postgres docker digest to 0f4f200 (#127)

Ref: PACT-445

Co-authored-by: pactflow-renovate-bot[bot] <186667433+pactflow-renovate-bot[bot]@users.noreply.github.com>

Author: pactflow-renovate-bot[bot]

docker-compose.yml

@@ -18,7 +18,7 @@ services:
       PACT_BROKER_DATABASE_CONNECT_MAX_RETRIES: "10"
       PACT_BROKER_PUBLIC_HEARTBEAT: "true"
   postgres:
-    image: postgres@sha256:23624e87b1f831cdadd264e9c15fb1fdbf0c5549ff5a1e37ec9ec524389fb4ff
+    image: postgres@sha256:0f4f20021a065d114083d1b95d9fb89ad847cbc4c3cc9238417815c7df42350f
     healthcheck:
       test: psql postgres --command "select 1" -U postgres
     ports: