Corrige a Action run-tests

[naanadr]

Estamos recebendo a mensagem de erro:

Run docker-compose build web
  docker-compose build web
  shell: /usr/bin/bash -e {0}
/home/runner/work/_temp/0da17e8f-bb89-4110-907a-[2](https://github.com/apyb/associados/actions/runs/11443896614/job/31837582101#step:3:2)41641a3978d.sh: line 1: docker-compose: command not found
Error: Process completed with exit code 127.

Ao tentar executar o workflow Run Tests

Esse PR:

• Atualiza a versão da action checkout;
• Atualiza a versão da imagem do python para 3.9.20;
• Altera a forma de chamar o compose de docker-compose para docker compose.