basic support for v4.2 (#592)

* basic support for v4.2

* bump versions

* update readme with versions

* upgrade version for v4.1.X

dev_setup/docker-compose.yml

@@ -1,7 +1,7 @@
 version: '3.4'
 services:
   postgres:
-    image: postgres:12-alpine
+    image: postgres:16-alpine
     environment:
       POSTGRES_PASSWORD: J5brHrAXFLQSif0K #just for local dev
       POSTGRES_DB: netbox
@@ -9,7 +9,7 @@ services:
     ports:
     - "5432:5432"
     volumes:
-    - netbox-postgres-data:/var/lib/postgresql/data
+    - netbox-postgres-data-16:/var/lib/postgresql/data
 
   redis:
     image: redis:6-alpine
@@ -35,7 +35,7 @@ services:
     - "6378:6379"
 
 volumes:
-  netbox-postgres-data:
+  netbox-postgres-data-16:
     driver: local
   netbox-redis-data:
     driver: local