chore(deps): update postgres:latest docker digest to 87ec5e0 (#2599)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| postgres | digest | `888402a` -> `87ec5e0` |

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.devcontainer/docker-compose.yml

@@ -20,7 +20,7 @@ services:
     # (Adding the "ports" property to this file will not forward from a Codespace.)
 
   db:
-    image: postgres:latest@sha256:888402a8cd6075c5dc83a31f58287f13306c318eaad016661ed12e076f3e6341
+    image: postgres:latest@sha256:87ec5e0a167dc7d4831729f9e1d2ee7b8597dcc49ccd9e43cc5f89e808d2adae
     restart: unless-stopped
     volumes:
       - postgres-data:/var/lib/postgresql/data