chore: update supported postgres versions (#6297)

.github/workflows/test-sql.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ${{ fromJSON(vars.RUNNER) }}
     strategy:
       matrix:
-        postgres-version: [ alpine, 13-alpine, 14-alpine, 15-alpine, 16-alpine, 17-alpine ]
+        postgres-version: [ alpine,15-alpine, 16-alpine, 17-alpine ]
     name: SQL Tests ${{ matrix.postgres-version }}
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0

globals/globals.go

@@ -13,7 +13,7 @@ const (
 	AnonymousUserId        = "u_anon"
 	RecoveryUserId         = "u_recovery"
 
-	MinimumSupportedPostgresVersion = "12"
+	MinimumSupportedPostgresVersion = "15"
 
 	GrantScopeThis        = "this"
 	GrantScopeChildren    = "children"