Removed Postgres 13 from RELATED_IMAGES.

Now that we've had 2 patch releases of Postgres 15 we are dropping postgres 13.

Issue [sc-17907]

Author: ValClarkson

helm/install/values.yaml

@@ -17,7 +17,7 @@ relatedImages:
   postgres_14_gis_3.2:
     image: registry.developers.crunchydata.com/crunchydata/crunchy-postgres-gis:ubi8-14.8-3.2-0
   postgres_14_gis_3.3:
-    image: registry.developers.crunchydata.com/crunchydata/crunchy-postgres-gis:ubi8-14.8-3.3-0
+    image: registry.developers.crunchydata.com/crunchydata/crunchy-postgres-gis:ubi8-14.6-3.3-2
   pgadmin:
     image: registry.developers.crunchydata.com/crunchydata/crunchy-pgadmin4:ubi8-4.30-13
   pgbackrest: