Test against PostgreSQL 10 since 9.x is now unsupported

plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestingPostgreSqlServer.java

@@ -51,7 +51,7 @@ public class TestingPostgreSqlServer
     public TestingPostgreSqlServer()
     {
         // Use the oldest supported PostgreSQL version
-        dockerContainer = new PostgreSQLContainer<>("postgres:10")
+        dockerContainer = new PostgreSQLContainer<>("postgres:10.20")
                 .withDatabaseName(DATABASE)
                 .withUsername(USER)
                 .withPassword(PASSWORD)

plugin/trino-resource-group-managers/src/test/java/io/trino/plugin/resourcegroups/db/TestDbResourceGroupsPostgresqlFlywayMigration.java

@@ -24,7 +24,7 @@ public class TestDbResourceGroupsPostgresqlFlywayMigration
     @Override
     protected final JdbcDatabaseContainer<?> startContainer()
     {
-        JdbcDatabaseContainer<?> container = new PostgreSQLContainer<>("postgres:9.6");
+        JdbcDatabaseContainer<?> container = new PostgreSQLContainer<>("postgres:10.20");
         container.start();
         return container;
     }

testing/trino-product-tests-launcher/src/main/java/io/trino/tests/product/launcher/env/environment/EnvSinglenodePostgresql.java

@@ -65,7 +65,7 @@ public void extendEnvironment(Environment.Builder builder)
     private DockerContainer createPostgreSql()
     {
         // Use the oldest supported PostgreSQL version
-        DockerContainer container = new DockerContainer("postgres:9.6", "postgresql")
+        DockerContainer container = new DockerContainer("postgres:10.20", "postgresql")
                 .withEnv("POSTGRES_PASSWORD", "test")
                 .withEnv("POSTGRES_USER", "test")
                 .withEnv("POSTGRES_DB", "test")