chore: add simsx labels & more (#21776)

indexer/postgres/go.mod

@@ -8,6 +8,6 @@ go 1.12
 // so there are no problems building this with any version of the SDK.
 // This module should only use the golang standard library (database/sql)
 // and cosmossdk.io/indexer/base.
-require cosmossdk.io/schema v0.1.1
+require cosmossdk.io/schema v0.3.0
 
 replace cosmossdk.io/schema => ../../schema

indexer/postgres/tests/go.mod

@@ -4,7 +4,7 @@ go 1.23
 
 require (
 	cosmossdk.io/indexer/postgres v0.0.0-00010101000000-000000000000
-	cosmossdk.io/schema v0.1.1
+	cosmossdk.io/schema v0.3.0
 	cosmossdk.io/schema/testing v0.0.0
 	github.com/fergusstrange/embedded-postgres v1.29.0
 	github.com/hashicorp/consul/sdk v0.16.1