chore(deps): bump supabase/postgres-meta from v0.91.2 to v0.91.3 in /pkg/config/templates (#3927)

chore(deps): bump supabase/postgres-meta in /pkg/config/templates

Bumps supabase/postgres-meta from v0.91.2 to v0.91.3.

---
updated-dependencies:
- dependency-name: supabase/postgres-meta
  dependency-version: v0.91.3
  dependency-type: direct:production
...

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pkg/config/templates/Dockerfile

@@ -4,7 +4,7 @@ FROM supabase/postgres:17.4.1.067 AS pg
 FROM library/kong:2.8.1 AS kong
 FROM axllent/mailpit:v1.22.3 AS mailpit
 FROM postgrest/postgrest:v12.2.12 AS postgrest
-FROM supabase/postgres-meta:v0.91.2 AS pgmeta
+FROM supabase/postgres-meta:v0.91.3 AS pgmeta
 FROM supabase/studio:2025.07.28-sha-578b707 AS studio
 FROM darthsim/imgproxy:v3.8.0 AS imgproxy
 FROM supabase/edge-runtime:v1.68.2 AS edgeruntime