Added testing on PostgreSQL 12, 13, and 14.

Author: felixxm

.travis.yml

@@ -15,7 +15,7 @@ env:
 - COMPOSE_APP=sqlite PYTHON_VERSION=3.8
 - COMPOSE_APP=sqlite-gis PYTHON_VERSION=3.8
 - COMPOSE_APP=postgres PYTHON_VERSION=3.8 POSTGRES_VERSION=10
-- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.8 POSTGRES_VERSION=10 POSTGIS_VERSION=2.4
+- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.8 POSTGRES_VERSION=10 POSTGIS_VERSION=2.5
 - COMPOSE_APP=mysql PYTHON_VERSION=3.8 MYSQL_VERSION=5.7
 - COMPOSE_APP=mysql-gis PYTHON_VERSION=3.8 MYSQL_VERSION=5.7
 - COMPOSE_APP=mariadb PYTHON_VERSION=3.8 MARIADB_VERSION=10.3
@@ -29,10 +29,16 @@ env:
 # Postgres:
 - COMPOSE_APP=postgres PYTHON_VERSION=3.8 POSTGRES_VERSION=10
 - COMPOSE_APP=postgres PYTHON_VERSION=3.8 POSTGRES_VERSION=11
+- COMPOSE_APP=postgres PYTHON_VERSION=3.8 POSTGRES_VERSION=12
+- COMPOSE_APP=postgres PYTHON_VERSION=3.8 POSTGRES_VERSION=13
+- COMPOSE_APP=postgres PYTHON_VERSION=3.8 POSTGRES_VERSION=14
 
 # Postgres gis:
-- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.8 POSTGRES_VERSION=10 POSTGIS_VERSION=2.4
+- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.8 POSTGRES_VERSION=10 POSTGIS_VERSION=2.5
 - COMPOSE_APP=postgres-gis PYTHON_VERSION=3.8 POSTGRES_VERSION=11 POSTGIS_VERSION=2.5
+- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.8 POSTGRES_VERSION=12 POSTGIS_VERSION=2.5
+- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.8 POSTGRES_VERSION=13 POSTGIS_VERSION=3.0
+- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.8 POSTGRES_VERSION=14 POSTGIS_VERSION=3.1
 
 # MySQL:
 - COMPOSE_APP=mysql PYTHON_VERSION=3.8 MYSQL_VERSION=5.7