Update ghcr.io/canonical/charmed-postgresql:16.8-24.04_edge Docker digest to e53eb99 (#963)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

metadata.yaml

@@ -34,7 +34,7 @@ resources:
   postgresql-image:
     type: oci-image
     description: OCI image for PostgreSQL
-    upstream-source: ghcr.io/canonical/charmed-postgresql@sha256:079b724a89b30c6d37d64a60d5feee78e7a2fe380cdc6a3560d8daff60250780  # renovate: oci-image tag: 16.8-24.04_edge
+    upstream-source: ghcr.io/canonical/charmed-postgresql@sha256:e53eb99abd799526bb5a5e6c58180ee47e2790c95d433a1352836aa27d0914a4  # renovate: oci-image tag: 16.8-24.04_edge
 
 peers:
   database-peers: