chore(deps): update postgres:latest docker digest to 29e0bb0 (#2750)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| postgres | digest | `4d89c90` -> `29e0bb0` |

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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@sha256:4d89c904835259bc58876520e56267ca07a4ebd6a027f7814bbbf91b50d685be
+    image: postgres:latest@sha256:29e0bb09c8e7e7fc265ea9f4367de9622e55bae6b0b97e7cce740c2d63c2ebc0
     restart: unless-stopped
     volumes:
       - postgres-data:/var/lib/postgresql/data