Merge branch 'f-mariadb-10.11' into 'dev'

F mariadb 10.11

See merge request !80

.docker/docker-compose.yml

 version: '3.7'
 services:
   sqldb:
-    image: mariadb:10.4
+    image: mariadb:10.11
     environment:
       MYSQL_ROOT_PASSWORD: caosdb1234
     networks:

tox.ini

 [tox]
-envlist=py37, py38, py39, py310, py311, py312
+envlist=py39, py310, py311, py312, py313
 skip_missing_interpreters = true
 
 [pycodestyle]