chore(deps): update postgres docker digest to feff5b2 (#122)

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@sha256:8a56bef4c60bef3d26193cb9d810fce93def8fd0c459f4a9b14240fbd7559a1d
+    image: postgres@sha256:feff5b24fedd610975a1f5e743c51a4b360437f4dc3a11acf740dcd708f413f6
     healthcheck:
       test: psql postgres --command "select 1" -U postgres
     ports: